https://katalog.hgb-leipzig.de/Record/0-1180032047 Iffland, August Wilhelm:
Liebe um Liebe. — Mannheim : Saur, 1785.
ISBN 3598513135, 3598500173, 3598500408, 3598500009, 3598533209, 3598533225, 3598533020, 3598533039, 3598533381, 359853339X, 3598533160, 3598533179, 3598533187, 3598533195, 9783598533037, 9783598533396, 9783598533167, 9783598533174, 9783598533020, 9783598513138, 9783598500176, 9783598533389, 9783598533228, 9783598533204, 9783598533198, 9783598500008, 9783598533181, 9783598500404