Cumulative Index of Geophysics (the Journal of the Society of Exploration Geophysicists, 1936-1979 Inclusive), Early Geophysical Papers, Geophysical Prospecting (the Journal of the European Association of Exploration Geophysicists, 1953-1979 Inclusive), Geophysical Case Histories (vol. I & II), Mining Geophysics (vol. I & II), Seismic Refraction Prospecting, Vertical Seismic Profiling and Seismic Filtering