Gw mau tau Nota dari Lou Henry Hoover. Jelasin dalam bahasa melayu

Allen, Anne Beiser and Jon L. Wakelyn (2000). An independent woman: the life of Lou Henry Hoover. Westport, Connecticut: Greenwood Press

Gummere, Amelia Mott (1922). The journal and essays of John Woolman. New York: The Macmillan Company

Hart, Craig (2004). A genealogy of the wives of the American presidents and their first two generations of descent. North Carolina, Jefferson: McFarland & Co., Inc., pp. 129–33

Hill, H. H. (1881). History of Lee County [Illinois]. 873 pages. pp. 829–32. Genealogy and history of the Robert and Abigail Pancoast Hunt family, including a transcription of their Quaker wedding document.

Hunt, Charles Cummins (1906). A genealogical history of the Robert and Abigail Pancoast Hunt family. Columbus, Ohio: Champlin Press, pp. 127–28

Hynes, Judy (1997). The Descendants of John and Elizabeth (Borton) Woolman. Mount Holly, New Jersey: John Woolman Memorial Association

Preston, Diana (2000). The Boxer Rebellion: the dramatic story of China's war on foreigners that shook the world in the Summer of 1900. New York: Walker

Agricola's De Re Metallica, translated by Herbert Hoover and Lou Henry Hoover, full text (650 pages) and illustrations