Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

Encyclopedia of the World's Endangered Languages . Christopher Moseley (2007) · Routledge

North America ( pp. 7-41 ) . Victor Golla and Ives Goddard and Lyle Campbell and Marianne Mithun and Mauricio Mixco (2008) · In Atlas of the World's Languages edited by Chris Moseley and Ron Asher · Routledge

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

North America ( pp. 1-96 ) . Victor Golla (2007) · In Encyclopedia of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

Pidgin Delaware ( pp. 43-98 ) . Ives Goddard (1997) · In Contact languages: a wider perspective Creole language library · Vol. 17 · edited by Thomason, Sarah Grey · Amsterdam: John Benjamins

A Grammar of the Language of Lenni Lenape or Delaware Indians ( pp. 65-251 ) . Peter S. Duponceau (1830) · Transaction of the American Philosophical Society. 3

Delaware, an Eastern Algonquian Language ( pp. 130-157 ) . C. F. Voegelin (1946) · In Linguistic Structures of Native America Viking Fund Publications in Anthropology · Vol. 6 · edited by Harry Hoijer · New York: Viking Fund