Perry, T.S. (1995). „M. George Craford [biography]”. IEEE Spectrum32 (2): 52-55. DOI:10.1109/6.343989.
Pearsall, T. P.; Miller, B. I.; Capik, R. J.; Bachmann, K. J. (1976). „Efficient, Lattice-matched, Double Heterostructure LEDs at 1.1 mm from GaxIn1-xAsyP1-y by Liquid-phase Epitaxy”. Appl. Phys. Lett.28 (9): 499. Bibcode1976ApPhL..28..499P. DOI:10.1063/1.88831.
Pearsall, T. P.; Miller, B. I.; Capik, R. J.; Bachmann, K. J. (1976). „Efficient, Lattice-matched, Double Heterostructure LEDs at 1.1 mm from GaxIn1-xAsyP1-y by Liquid-phase Epitaxy”. Appl. Phys. Lett.28 (9): 499. Bibcode1976ApPhL..28..499P. DOI:10.1063/1.88831.