- National Conference on Clays and Clay Minerals (8)
- American Society for Testing and Materials (7)
- Joint Committee on Powder Diffraction Standards (7)
- Smith, Joseph V. (7)
- Lonsdale, Kathleen, Dame, 1903-1971 (4)
- Wyckoff, Ralph W. G. (Ralph Walter Graystone), 1897- (4)
- Bailey, Sturges W., 1919- (3)
- Bradley, W. F. (3)
- Swineford, Ada (3)
- Eitel, W. (Wilhelm), 1891- (2)
- MacGillavry, Caroline H. (2)
- Rieck, Gerard D. (2)
- Agranovich, V. M. (Vladimir Moiseevich), 1929- (1)
- American Chemical Society (1)
- American Crystallographic Association (1)
- American Physical Society (1)
- American Society for Metals (1)
- Belov, N. V. (Nikolaĭ Vasilʹevich), 1891- (1)
- Bradley, J. E. S. (1)
- Bragg, William Lawrence, Sir, 1890-1971 (1)
- Brenner, Y. (1)
- Brice, James Coble, 1920- (1)
- Brown, G. (George), 1926- (1)
- Buerger, Martin Julian, 1903- (1)
- Bullis, M. Murray (1)
- Bunn, Charles William (1)
- Castaing, R. (Raymond) (1)
- Claringbull, G. F. (1)
- Cochran, W. (1)
- Cottrell, Alan Howard, Sir (1)
- Dana, Edward Salisbury, 1849-1935 (1)
- Dana, James Dwight, 1813-1895 (1)
- Deschamps, P. (Paul) (1)
- Donnay, Gabrielle (1)
- Donnay, J. D. H. (Joseph Désiré Hubert), 1902- (1)
- Ernst, W. G. (Wallace Gary), 1931- (1)
- Eyre, B. L. (1)
- Frondel, Clifford (1)
- Gilman, John J. (John Joseph) (1)
- Ginzburg, V. L. (Vitaliĭ Lazarevich), 1916- (1)
- Gray, G. W. (1)
- Grigorʹev, D. P. (Dmitriĭ Pavlovich) (1)
- Grim, Ralph E. (Ralph Early), 1902- (1)
- Gurney, Ronald W. (Ronald Wilfrid) (1)
- Hashiguti, Ryukiti R. (1)
- Heller, L. (Liselotte) (1)
- Henry, Norman Fordyce McKerron (1)
- Internatioanl Confernce on Chemical Physics of Nonmetallic Crystals (1)
- International Clay Conference (1)
- International Symposium on X-ray Optics and X-ray Microanalysis (1)
- James, R. W. (1)
- Kasper, John S. (1)
- Klassen-Nekli︠u︡dova, M. V. (Marina Viktorovna), 1905- (1)
- Klassen-Neklyudova, M. V. (1)
- Kratochvíl, Petr, 1950- (1)
- Lipson, H. (Henry), 1910- (1)
- Mason, Warren P. (Warren Perry), 1900- (1)
- Mott, N. F. (Nevill Francis), Sir, 1905- (1)
- Nakhimzhan, O. Ė. (Oskar Ėmzich) (1)
- Peiser, H. Steffen (Herbert Steffen), 1917- (1)
- Philibert, J. (Jean) (1)
- Phillips, Frank Coles, 1902- (1)
- Rooksby, H. P. (1)
- Smith, R. A. (Robert Allan), 1909- (1)
- Sobolevskiĭ, V. I. (1)
- Taylor, W. H. (1)
- United Kingdom Atomic Energy Authority. Research Group (1)
- Wahlstrom, Ernest Eugene, 1909- (1)
- Wilson, A. J. C. (Arthur James Cochran), 1914- (1)