Grammatical inference for computational linguistics, 2016, via WWW, Nov. 30, 2015: PDF title page (Jeffrey Heinz; University of Delaware) p. 137 (Ph.D. from the University of California, Los Angeles in 2007, and is currently an Associate Professor at the University of Delaware)

OCLC, Nov. 30, 2015 (access points: Heinz, Jeffrey; Heinz, Jeffrey Nicholas; Heinz, Jeffrey; Heinz, 1974- ; usage: Jeffrey Nicholas Heinz; Jeffrey Heinz)

The study of word stress and accent, 2018: ECIP title page (Jeffrey Heinz) data view (Birth Date: 04/06/1974)