American Sunday-School Union (Corporate Name)

As aid in dating its undated publications, the street address in Philadelphia, Pa., given in imprint can be used. From 1817 to 1827, the body was at 13 North Fourth St.; 1827 to Dec. 1853: 146 Chestnut St.; Dec. 1853 to 1857: 316 Chestnut St.; 1857-May 1907: 1122 Chestnut St. (same bldg. as 316 Chestnut, new street-numbering); May 1907- : 1816 Chestnut St. Cf. Its 30th and 83rd annual reports.

Mattocks, R. On the move, c1980: t.p. (American Missionary Fellowship) p. 4 of cover (previously known as American Sunday School Union) p. 4 (1790--The First Day Society [no publs. in L.C.]; 1817--Philadelphia Sunday and Adult School Union; 1824--American Sunday School Union)

The Circus, 1844?: t.p. (Am. S.S.U.)

Encouragements to religious effort, 1830: t.p. (Am. S.S. Union; American Sunday School Union)

LC manual auth. cd. (hdg.: American Sunday-School Union; org. 1824, being the outgrowth of various societies, notably the First-Day or Sunday-School Society of Philadelphia (founded 1791; incorp. 1797) and the Philadelphia Sunday and Adult School Union (founded 1817))