Miller, Dale E. Harriet Taylor Mill. Edward N. Zalta (编). The Stanford Encyclopedia of Philosophy (Spring 2019 Edition). 2019 [2021-09-16]. (原始内容存档于2022-03-13).
web.archive.org
Miller, Dale E. Harriet Taylor Mill. Edward N. Zalta (编). The Stanford Encyclopedia of Philosophy (Spring 2019 Edition). 2019 [2021-09-16]. (原始内容存档于2022-03-13).