Grold, L. James (1968), „Mother's Day“ (anglicky), American Journal of Psychiatry 124: 1456–1458, http://psycnet.apa.org/psycinfo/1968-12078-001, „Mother's Day, conceived by Anna Jarvis to honor unselfish mothers (...) Although there is no direct lineal descent to our modern Mother's Day custom, secular and religious motherhood have existed for thousands of years before 10 May 1908: the first church – St. Andrew's in Grafton, West Virginia – responded to her request for a Sunday service honoring mothers . Cybele (...)“
deseretnews.com
Lois M. Collins. Mother's Day 100-year history a colorful tale of love, anger and civic unrest [online]. 2014-05-06, [cit. 2018-05-13]. Dostupné online. Archivované 2019-05-12 z originálu.
web.archive.org
Lois M. Collins. Mother's Day 100-year history a colorful tale of love, anger and civic unrest [online]. 2014-05-06, [cit. 2018-05-13]. Dostupné online. Archivované 2019-05-12 z originálu.
