foundInMemories of old friends : being extracts from the journals and letters of Caroline Fox, from 1835 to 1871 / edited by Horace N. Pym, 1882. — Oxford Dictionary of National Biography - https://doi.org/10.1093/ref:odnb/10019 (2021-06-14). — LC Authorities - https://lccn.loc.gov/n81032863 (2021-06-14)