Author
A. Hoen & Co.,
2
A.S. Seer, Theatrical Printing Co
7
Abbott, Lynn, 1946-
2
Abras̆evic Yugoslavian Dance Ensemble (Belgrade, Yugoslavia)
1
Academy of Music (Philadelphia)
3
Academy of Music (Philadelphia, Pa.)
6
Academy of Science of Montgomery County (Norristown, Pa.)
2
Ackley, B. D. 1872-1958
1
Adams, John S. d. 1893
1
Adgate, Andrew
2
Adgate, Andrew, 1762-1793
1
Adler, Gary
1
Ainsworth, Henry, 1571-1622?
1
Alajalov, Constantin, 1900-1987,
1
Albrecht, Otto E. 1899-1984
1
Albritton, Sherodd
1
Alexander, Richard,
1
Allan, Anne
1
Allen, Alfred Reginald 1876-1918
1
Allen, Alfred Reginald 1905-1988
1
Allen, George
1
Allen, George E.
1
Allen, William Francis, 1830-1889
1
American Anti-Slavery Society
1
American Antiquari
1
American Folklife Center
2
American Latvian Association in the United States, Inc
2
American Missionary Association
1
American Oleograph Company
1
American Peoples Chorus
1
American Tract Society
2
Anderson, A.
1
Anderson, Gillian B., 1943-
1
Anderson, James, 1680?-1739
1
Anderson, John
1
Anderson, W. R. 1891-
1
Andersson, Otto Emanuel, 1879-1969
1
Andersson, Otto, 1879-1969
1
Andrew, John
1
Andrews, Edward Deming, 1894-1964
1
Andrews, Frank
1
Andrushko, Roman
2
Angle, Paul M. 1900-1975
1
Aparjods, Voldemārs,
2
Apkalns, Longīns, 1923-1999
2
Appelbaum, Stanley
1
Arch Street Opera House (Philadelphia, Pa.)
1
Arch Street Theatre (Philadelphia, Pa.)
28
Archive of American Folk Song
1
Archive of Folk Song (U.S.)
1
more ...