Lachner, Franz P.  Grande Sonate pour le piano-forte.
Vienna: Mechetti, n. d.
55-M51, pos. 5

Lacombe, Louis.  Sonate de salon pour piano.  Op. 33.
Paris: E. Gallet, n. d.
55-M51, pos. 6

Lanciani, Flavio Carlo.  Santa Dimna [oratorio].
Modena.  Biblioteca Estense.  MS Mus. F. 618.
55-M139

Landi, Stefano.  Arie a una voce.
Venice: Gardano and Magni, 1620.
55-M42, pos. 3

Lange, Samuel de.  Sonate fur Pianoforte.  Op. 63.
Leipzig: J. Rieter-Biedermann, 1892.
55-M51, pos. 7

Lassus, Orlande de.  Cantiones aliquot... [RISM A, 1569a].
Munich: Adam Berg, 1569.
55-M1298, pos. 1

Lassus, Orlande de.  [25] Sacrae cantiones... [RISM A, 1562a].
Nuremburg: Montanus and Neuber, 1562.
55-M1297

Lassus, Orlande de.  Sacrae cantiones...liber 3 [RISM A, 1566a].
Venice: Gardano, 1566.
55-M1296, pos. 1

Lassus, Orlande de.  Sacrae cantiones...liber 4 [RISM A, 1566e].
Venice: Gardano, 1566.
55-M1296, pos. 2

Lassus, Orlande de.  Selectiorum aliquot cantionum sacrarum...[RISM A, 1570c].
Munich: Adam Berg, 1570.
55-M1298, pos. 2

Lassus, Orlande de.  Villanelle d'Orlando di Lassus...libro 2.
Rome: Dorico, 1555.
55-M346

Lawes, William.  Fantasies.
Oxford.  Bodleian Library.  MSS 26457-26458.
55-M882

Legrenzi, Giovanni.  Balletti e correnti, libro 5.  Op. 16.
Venice: 1691.
55-M875

Legrenzi, Giovanni.  Concerti musicali per uso di chiesa.  Op. 1.
Venice: 1654.
55-M886

Legrenzi, Giovanni.  Eteocle e Polinice [opera].
Modena.  Biblioteca Estense.  MS Mus. F. 628.
55-M534

Legrenzi, Giovanni.  [18] Sonate, libro 1.  Op. 2.
Venice: 1655.
55-M871

Legrenzi, Giovanni.  [30] Sonate da chiesa e da camera, libro 2. Op. 4.
Venice: 1656.
55-M878

Legrenzi, Giovanni.  [16] Sonate a 2, 3, 5 & 6, libro 3.  Op. 8.
Venice: 1671.
55-M886

Legrenzi, Giovanni.  La Vendita del Cuor Humano [oratorio].
Modena.  Biblioteca Estense.  MS Mus. F. 1544.
55-M183

Leiden, Netherlands.  Germeentearchief.  MS 863.
55-M477

Leiden, Netherlands.  Museum Lakenhal.   MS 861, Koorboek, A.
Masses, motets, hymns; 16th century.
55-M55

Leiden, Netherlands.  Museum Lakenhal.   MS 862, Koorboek, B.
Magnificats, motets, hymns; 16th century.
55-M56

Leiden, Netherlands.  Museum Lakenhal.   MS 863, Koorboek, C.
Masses, motets; 16th century.
55-M57

Leiden, Netherlands.  Museum Lakenhal.   MS 864, Koorboek, D.
Motets, hymns; 16th century.
55-M58

Leiden, Netherlands.  Museum Lakenhal.   MS 865, Koorboek, E.
Motets, Magnificats, hymns; 16th century.
55-M59

Leiden, Netherlands.  Museum Lakenhal.   MS 866, Koorboek, F.
Masses, motets; 16th century.
55-M60

Leipzig.  Karl-Marx-Universitat.  MS 1492.
55-ML559, pos. 1

Leipzig.  Karl-Marx-Universitat.  MS 1493.
55-ML559, pos. 2

Lelli, F. M.  Armonici concenti.  Op. 1.
1693.
55-M883

Le Mans.  Bibliotheque Nationale.  MS 437.
55-M979

Leoni, Giovanni Antonio.  Sonate di violino e voce sola...libro 1. Op. 3.
Rome: 1652.
55-M877

Leuchtmann, Horst.  Orlando di Lasso.  Wiesbaden, Breitkopf and
Hartel 1976. V. 1: Sein Leben V. 2: Briefe.
55-ML1088 c.1, c.2

Leydelman, Francesco.  Gioas Re di Giuda, parts 1 and 2 [1776].
Dresden.  Sachsische Landesbibliothek.  MS 3550-D-2 Nr. 578 and 579.
55-M1114, pos. 2 and 3

Liber primus sacrarum cantionum... [RISM BI.1, 15466].
Antwerp: Susato, 1546.
55-M927, pos. 5

Liber quartus sacrarum cantionum... [RISM BI.1, 15476].
Antwerp: Susato, 1547.
55-M927, pos. 7

Liber secundus sacrarum cantionum... [RISM BI.1, 15467].
Antwerp: Susato, 1546.
55-M929, pos. 6

Library of Congress.  Copyright Office.
Catalog of Copyright Entries, 4th Series, pt. 7, Sound Recordings.
55-L70 c.1, c.2

Libro de diferentes cifras de guitara escojidas de los mejores
autores ano de 1705.
Madrid.  Biblioteca Nacional.  MS M. 811.
55-M1116, pos. 5

Limoges.  Bibliotheque Municipale.  MS  2 [17].
Gradual from Sainte-Croix at Poitiers with sequences, 14th century;
square notation on four red lines.
55-M621

Lindesy, Mark Clay.  Klosterneuberg, Chorherrenstift, Codices 69
and 70: Two 16-Century Choirbooks, their Music and their Liturgical Use.
Ph. D. diss.: Indiana University, 1981.
55-ML848 

Lisbon.  Pal cio Nacional da Ajuda.  MS 47-I-65.
Stradella, Alessandro.  Sinfoni a violino solo [F major].
55-M507

Listenius, Nikolaus.  Rudiments musicae.
Wittenburg: Rhau, 1533.
55-L62

Liszt, Franz.  Missa Solemnis.
Leipzig: J. Schuberth, n. d.
55-M442

Lobo, Duarte.  Requiem Mass.
London.  Royal College of Music.  MS [?].
55-M89, pos. 1

Lodi spirituali novament composto...
Venice: Gardano, 1580.
55-M352

Lofzangen ter eere van Leizer Maxim liaan [1515].
The Hague: Nijoff, 1925 [reprint ed.].
55-M927, pos. 10

Lonati, Carlo Antonio.  L'innocenza di Davide [oratorio].
Modena.  Biblioteca Estense.  MS Mus. F. 640.
55-M155

London.  British Library.  MS Add. 4917.
Bedford, Rev.  [Sir John Hawkins].  Observations concerning music, May 30,
1778.
55-ML1042 

London.  British Library.  MS Add. 11414.
55-M955
 
London.  British Library.  MS Add. 11669.
Augsburg gradual.
55-M1380
                                                       
London.  British Library.  MS Add. 12194.
Sarum Gradual with sequences and Kyriale, ca. 1275; square
anglo-norman notation on four red lines.
55-M955

London.  British Library.  MS Add. 14161.
Fago, Nicola.  Works, sacred.
55-M1360

London.  British Library.  MS Add. 14334.
Includes Fago's Stabat mater and masses by Leo and Sabatino.
55-M1358

London. British Library.  MS Add. 15233.
Organ music and plays by John Redford.
55-M34, pos. 2
                                             
London.  British Library.  MS Add. 16905. 
Missal with sequences from Notre Dame, 14th century; square
notation on four red lines [Les Sources, p. 61].
55-M957

London.  British Library.  MS Add. 17784.
Anthems.
55-M185, pos. 2                                   

London.  British Library.  MS Add. 18031.
Missal in two volumes from Stavelot; this is the first volume,
containing the winter calender [the second with the summer calender
is film 55-M959]; sequences are found in both volumes; "Notation
Gothique rhenane" on three or four dry lines.
55-M956
                                        
London.  British Library.  MS Add. 18032. 
Missal in two volumes from Stavelot; this is the second volume,
containing the summer calender [the first with the winter calender
is film 55-M956]; sequences are found in both volumes; "Notation
Gothique rhenane" on three or four dry lines.
55-M959
                                   
London.  British Library.  MS Add. 19768.
Troper from Mainz.
55-M696

London.  British Library.  MS Add. 21455.
Music theory.
55-ML809
 
London.  British Library.  MS Add. 24680.
Gradual, Kyriale, Sacramentary and sequences from Saint Martin,
Weingarten; 12th century; German notation.
55-M696
                                             
London.  British Library.  MS Add. 27921.
55-M959

London.  British Library.  MS Add. 28550.
Robertsbridge Codex [keyboard music].
55-M102

London.  British Library.  MS Add. 29289.
Services.
55-M185, pos. 4

London.  British Library.  MSS Add. 29373-7.
Madrigals.
55-M186

London.  British Library.  MS Add. 29996.
Organ music, instrumental chamber music, keyboard duets, chamber
vocal music, operatic arias.
55-M35

London.  British Library.  MS Add. 30087.
Anthems.
55-M187, pos. 1

London.  British Library.  MS Add. 30091.
French songs and motets, 13th century.
55-M34, pos. 5

London.  British Library.  MSS Add. 30478-9.
Anthems. 
55-M187, pos. 2

London.  British Library.  MS Add. 30513.
The Mulliner Book [organ music].
55-M34, pos. 4
                                   
London.  British Library.  MS Add. 30850.
Monastic antiphoner and tonary of the Roman rite from Silos; 11th
century; Visigothic [northern Mozarabic] neums with additions in
Aquitanian notation.
55-M954

London.  British Library.  MS Add. 30931.
55-M954

London.  British Library.  MS Add. 31403.
Organ music, anthems, a Miserere, and a service.
55-M185, pos. 3

London.  British Library.  MS Add. 31404.
Services and anthems.
55-M185, pos. 6
                                        
London.  British Library.  MS Add. 31436.
Sonatas for 2 violins and continuo by Stradella, Appiano, Maria
Bononcini, Pistolozza, Venetiano, and 1 anon. composer.
55-M497, pos. 1

London.  British Library.  MS Add. 31443.
Anthems.
55-M185, pos. 5

London.  British Library.  MS Add. 34071.
Madrigals and motets from Dr. Burney's collections.
55-M920, pos. 4

London.  British Library.  MS Add. 34203.
Anthems.
55-M185, pos. 1

London.  British Library.  MS Add. 36881.
Troper.
55-M496

London.  British Library.  MS Add. 38723.
Missal, 13th century.
55-M1381

London.  British Library.  MS Egerton 274.
55-M992

London.  British Library.  MS Egerton 945.
55-M993

London.  British Library.  MS Egerton 2615.
Office for the circumcision, Danielus ludus.
55-M1347

London.  British Library.  MS Egerton 3051.
Frottola.
55-M519

London.  British Library.  MS Harley 4951.
Gradual and tonary, 11th century; offertories with verses;
Aquitanian notation.
55-M1382

London.  British Library.  MS Harley 5242.
55-M1111, pos. 2

London.  British Library.  MS Lansdowne 380.
55-ML898

London.  British Library.  MS Lansdowne 763.
Music theory.
55-ML810

London.  British Library.  MS Royal 2 B. IV. 
English troper and gradual with prosae, probably from St. Albans;
13th century; Anglo-Norman notation on 4 red lines.
55-M955

London.  British Library.  MS Royal 2 E. X.
Vellum, about 1516; motets in parts written early in the reign of Henry
VIII.
55-M918, pos. 3
                                             
London.  British Library.  MS Royal 8 C. XIII.
55-M955

London.  British Library.  MS Royal 24 B. VII.
Fago, Nicola.  Mass.
55-ML1361

London.  British Library.  MS Royal App. 20 C. VIII.
55-ML1020

London.  British Library.  MS Royal App. 56.
Organ music, 16th century; music treatise.
55-M34, pos. 1

London.  British Library.  MS Royal App. 58.
Vocal and instrumental music, 16th century.
55-M34, pos. 3

London.  British Library.  MSS Royal App. 74-76.
English sacred music, 16th century.
55-M1279

London.  British Library.  MS Sloane 1210.
Petronian notation.
55-M200

London.  Royal College of Music.  MS [?].
Lobo, Duarte.  Requiem Mass.
55-M89, pos. 1

London.  Royal College of Music.  MS 604.
Stradella, Alessandro.  Hor ch'alla dea notturne.
55-M68, pos. 5

London.  Royal College of Music.  MSS 1045-1048.
Services and anthems, 16th and 17th centuries.
55-M333

London.  Royal College of Music.  MS 1049.
Anthems, services and other sacred pieces.
55-M211, pos. 1
 
London.  Royal College of Music.  MS 1050.
Anthems, services and other sacred pieces.
55-M211, pos. 2

London.  Royal College of Music.  MS 1051.
Anthems, services and other sacred pieces.
55-M211, pos. 3

London.  Royal College of Music.  MS 1079 [olim Sacred Harmonic
Society S. H. 1721].
139 motets, 3 secular French pieces; copied in London pre-1540.
55-M1337

London.  Westminster Abbey.  MS 12185 [f. 1r.-2v.].
55-M348

Lorenziti, Bernardo.  Premier concerto pour alto...
Paris: Le Duc, [1797].
55-M1183, pos. 2

Loreto, Italy.  Biblioteca della Santa Casa.  MS Cod. 34.
Music by Hay, Schieti, and Porta.
55-M484

Lotti, G. A.  Monete...Modena.
1755.
55-M898

Lucca.  Archivio di Stato.  MS 184.
Mancini codex.
55-M474

Lucca.  Archivio di Stato.  MS 238 [?].
Lucca choirbook.
55-M326

Lucca.  Biblioteca Capitolare.  MS 603.
Antiphonale and tonary.
55-M618

Luce, Harold.  The Requeim Mass...Volume II: Selected Requiem Masses.
Ph. D. diss.: Florida State University, 1958.
55-M515

Lucino, F.  Concerti.
1617.
55-M872

Ludwig, Friedrich.  Repertorium Organum.
Halle: 1910.
55-ML1069

Luhrss, C.  Trois sonates pour le pianoforte.  Op. 20.
Leipzig: Kistner, n. d.
55-M50, pos. 4

Lulier, Giovanni Lorenzo.  Santa Maria Maddalena de Pazzi [oratorio].
Modena.  Biblioteca Estense.  MS Mus. F. 671.
55-M144

Lully, Jean Baptiste.  Overture, airs, d'Amadi.
Paris: 1684.
55-M882

Lully, Jean Baptiste.  Overture, airs, Cadmus.
Paris: 1682.
55-M882

Lully, Jean Baptiste.  Overture, airs, Persee.
Paris: 1682.
55-M882

Lully, Jean Baptiste.  Overture, airs, Phaeton.
Paris: 1683.
55-M882

Lupo, Thomas.  Fancies in five parts.
Washington, D. C.  Library of Congress.  MS ML96.C7895 [case].
55-M219, pos. 2

Lyons.  BibliothŠque Municipale.  MS 1235.
55-ML1019