Tarbell, Ann T.; D. Stanley Tarbell. (September 1982). «Dr. Rachel Lloyd (1839–1900): American Chemist» Journal of Chemical Education 59 (9): 743–744. doi:10.1021/ed059p743. Bibcode: 1982JChEd..59..743T..
Tarbell, Ann T.; D. Stanley Tarbell. (September 1982). «Dr. Rachel Lloyd (1839–1900): American Chemist» Journal of Chemical Education 59 (9): 743–744. doi:10.1021/ed059p743. Bibcode: 1982JChEd..59..743T..