Jewellery from at Buhen, now in the University of Pennsylvania Museum of Archaeology and Anthropology E 10755, initially attributed to Amenemhat III, then reattributed to Neferhotep I. Reference: David Randall-MacIver, Sir Leonard Woolley: Buhen, Philadelphia: University Museum 1911, available online p. 192, 201, 234, pl. 74.
Grajetzki, Wolfram: Late Middle Kingdom, 2013, UCLA Encyclopedia of Egyptology, 1(1). UCLA: Department of Near Eastern Languages and Cultures, nelc_uee_8764, available online
The Neferhotep Stela in William Kelley Simpson (editor), Robert K. Ritner (translator), Vincent A. Tobin (translator), Jr. Edward Wente (translator): The Literature of Ancient Egypt: An Anthology of Stories, Instructions, Stelae, Autobiographies, and Poetry; Third Edition, Yale University Press; 3rd Revised & enlarged edition (October 11, 2003), ISBN978-0-300-09920-1. Translation of the stela available online[permanent dead link]