Pierson Parker (December 1940). "A Proto-Lucan basis for the Gospel according to the Hebrews". Journal of Biblical Literature. 59 (4): 471–478. doi:10.2307/3262407. JSTOR3262407.
Huggins, Ronald V. (1992). "Matthean Posteriority: A Preliminary Proposal". Novum Testamentum. 34: 1–22. doi:10.1163/156853692X00131. Reprinted in Orton, David E. The Synoptic Problem and Q: Selected Studies from Novum Testamentum. pp. 204–225. ISBN9004113428.
Pierson Parker (December 1940). "A Proto-Lucan basis for the Gospel according to the Hebrews". Journal of Biblical Literature. 59 (4): 471–478. doi:10.2307/3262407. JSTOR3262407.