Dykstra, CE; Garrison, BJ; Scuseria, GE (April 2004). "Biography of Fritz Schaefer". The Journal of Physical Chemistry A. 108 (15): 2805–2807. Bibcode:2004JPCA..108.2805.. doi:10.1021/jp040037w.
Schaefer, Henry F.; Klemm, Richard A.; Harris, Frank E. (15 November 1969). "First-Order Wavefunctions, Orbital Correlation Energies, and Electron Affinities of First-Row Atoms". The Journal of Chemical Physics. 51 (10): 4643–4650. Bibcode:1969JChPh..51.4643S. doi:10.1063/1.1671837.
Dykstra, CE; Garrison, BJ; Scuseria, GE (April 2004). "Biography of Fritz Schaefer". The Journal of Physical Chemistry A. 108 (15): 2805–2807. Bibcode:2004JPCA..108.2805.. doi:10.1021/jp040037w.
Schaefer, Henry F.; Klemm, Richard A.; Harris, Frank E. (15 November 1969). "First-Order Wavefunctions, Orbital Correlation Energies, and Electron Affinities of First-Row Atoms". The Journal of Chemical Physics. 51 (10): 4643–4650. Bibcode:1969JChPh..51.4643S. doi:10.1063/1.1671837.
iaqms.org
"Henry F. Schaefer III". International Academy of Quantum Molecular Science. Retrieved 23 January 2019.