"biographical notes on Sientje Mesdag van Houten, in Dutch RKD-Archive, The Hague"

"Archive.org collection of audio recordings"

"International Vegetarian Union: History of Vegetarianism - USA: 19th Century"

"I am settled in France, and as for the rest of my history as a painter, it is bound up with the impressioni…"

"Ever since prehistoric antiquity one field of study after another has crossed the divide between what the h…"

"When the history of our civilization is written, it will be a biological history and Margaret Sanger will b…"

"Islamic heritage froze a thousand years ago, in the fourth century of Islam. Since then it has not moved fo…"