Linfield, Roger Paul (1981) Studies of Compact Extragalactic Radio Sources. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/5cg5-0d24. https://resolver.caltech.edu/CaltechETD:etd-09022008-153247
Sebok, William Lawrence (1981) Use of an Automated Photographic Object Detection System to Analyse the Effect of Magnitude on the Angular Correlation Function of Galaxies. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/179j-3364. https://resolver.caltech.edu/CaltechETD:etd-09052008-130643
Wade, Richard Alan (1981) Spectroscopy and Spectrophotometry of Cataclysmic Variable Stars. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/83wt-0h57. https://resolver.caltech.edu/CaltechETD:etd-09082008-093158
Yee, Howard Kwong Chew (1981) Optical Spectral Properties of Active Galactic Nuclei and Quasars. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/5AKF-YS51. https://resolver.caltech.edu/CaltechETD:etd-09052008-110748