His Harold Flammer choral collection for two-part boys' voices, c1939.
Copland, A. Copland, c1984 p. 224 (surrogate) (The Workers song book no. 1 (1934) and Songs of the people were prepared by the collective ... Composers included ... S.C. Richards (Riegger))
Grovemusic WWW site, Apr. 25, 2003 (Riegger, Wallingford; b. Apr. 29, 1885, Albany, GA, d. Apr. 2, 1961, New York; American composer; made over 700 arrs. of folksongs, carols, and anthems, both under his own name and the following pseudonyms: Edwin Farrell, Gerald Wilfring Gore, Leonard Gregg, Edgar Long, John H. McCurdy, George Northrup, William Richards, and Walter Scotson)