Author
John Forbes & Company,
42
Philadelphia Record
39
Walnut Street Theatre (Philadelphia, Pa.)
29
Arch Street Theatre (Philadelphia, Pa.)
28
Strobridge & Co. Lith.,
25
Fedoriv, Myron M.
16
Baker, J.E.
15
H.A. Thomas, Lith. Studio (New York, N.Y.)
14
Broad Street Theatre (Philadelphia, Pa.)
11
National Theatre (Philadelphia, Pa.)
10
Sonneck, O. G. 1873-1928
10
Bayard, Samuel Preston
8
Ledger Job Printing Office (Philadelphia, Pa.)
8
Musical Fund Society of Philadelphia
8
A.S. Seer, Theatrical Printing Co
7
Densmore, Frances, 1867-1957
7
Gilmore's Auditorium (Philadelphia, Pa.)
7
Academy of Music (Philadelphia, Pa.)
6
Ābele, Ādolfs, 1889-1967
6
Baštiks, Viktors
6
Buffington, Albert F.
6
Howard, John Tasker, 1890-1964
6
Industrial Workers of the World
6
Library of Congress. Music Division
6
Norvilis, Jānis, 1906-1994
6
Ozolin̦š, Valdemārs, 1896-1973
6
Pavasars, Helmers
6
United States George Washington Bicentennial Commission
6
Arnold, Vic
5
Carroll, Lucy E.
5
Chestnut Street Theatre (Philadelphia, Pa.)
5
Ethnic Heritage Studies Program (U.S.)
5
Association Hall (Philadelphia, Pa.)
4
H.A. Thomas Lith. Studio (New York, N.Y.)
4
Historical Society of Pennsylvania
4
Kalnājs, Arnolds, 1906-1975
4
Kalnietis, Jānis
4
Keller, Kate Van Winkle
4
Kenins, Talivaldis, 1919-2008
4
Keokuk Opera House (Iowa)
4
Korson, George Gershon, 1899-1967
4
Linde, Voldemārs
4
Medin̦š, Jānis, 1890-1966
4
Moravian Music Foundation
4
Purvs, Arvīds, 1926-
4
Roubanis, N.
4
Roubanis, Nicholas
4
Sinchak, Michael
4
Skulte, Bruno
4
Stots, Eduards
4
more ...