Oliver, F. W. (Francis Wall), 1864-1951; Vicini, Angiolino; Montón, Juan R.; Santisteban, Luis Silva R.; Wilson, G. A.; Tombaugh, Clyde William, 1906-1997; Armendariz, Hector R.; Malagón, Renato R.; Ressi, Hugo Mario; Hammond, H. H.; Tombaugh,...
Oliver, F. W. (Francis Wall), 1864-1951--Correspondence; Astronomy; Pluto (Dwarf planet); Sun--Temperature; Telescopes--Design and construction; Telescopes; Gemini (Constellation)--Drawings; Malagón, Renato R.--Correspondence; Discoveries in...
Mears, Randall; Tombaugh, Clyde William, 1906-1997; Ryback, Joseph; Pendergrass, J. N.; Mallon, Jon D.; Littman, Mark; Jensen, Bob; Lanning, Dennis; Cooper, Jno G. (John); Richards, Carl P.; Craig, Jim; Latham, Susan; Wittlin, Alma S.; Humphreys,...
Telescopes; Mars (Planet); Astronomy--Clubs; Birthdays; Vocational guidance; Education; Lunar photography; Newtonian telescopes; Cassegrainian telescopes; Optical instruments--Design and construction; Astronomy--Study and teaching; Life on other...
Ilraine, Lois M.; Floolis, Marias; Trautwein, Charlotte E.; Walter; Tatsch, J. H.; Osawa, Toshihiko; Tombaugh, Clyde William, 1906-1997; Middlehurst, Barbara M.; Haas, Walter H.; Porter, John J.; Kuiper, Gerard P. (Gerard Peter), 1905-1973
Tombaugh, Clyde William, 1906-1997; Teaching; Unidentified flying objects; Trautwein, Charlotte E.--Correspondence; Haas, Walter H.--Correspondence; Tatsch, J. H.--Correspondence; Christmas cards; Doctor of science degree; Tombaugh, Clyde William,...
Haas, Walter H.; Middlehurst, Barbara M.; Tombaugh, Clyde William, 1906-1997; Coddens, Dean; Alexander, Mary D.; Hall, John S.; Kuiper, Gerard P. (Gerard Peter), 1905-1973; Marchese, Peter M.; Searl, Clyde C.
Association of Lunar and Planetary Observers (U.S.); Mars (Planet); Proofs (Printing); Reprints (Publications); Science fairs; Pluto (Dwarf planet); Reprints (Publications)--Cost; Summer institutes; Astronomy; Mars (Planet)--Atmosphere; Venus...
Chapman, Clark R.; Skinner, Richard M.; Owendoff, Bob; Roselake, Florence; Tombaugh, Clyde William, 1906-1997; Middlehurst, Barbara M.; Reichl, Vladimir L.
Association of Lunar and Planetary Observers (U.S.); Congresses and conventions; Exhibitions; Authorship; Sundials--Design and construction; Planets; Pluto (Dwarf planet); Symbolism; Reprints (Publications); Moon; Unidentified flying objects;...
Danyans, Eugenio; Salisbury, John W.; Tombaugh, Clyde William, 1906-1997; Hansen, Tom; Middlehurst, Barbara M.; Moore, John M.; Hynek, J. Allen (Joseph Allen), 1910-1986; Boyd, Bill; Montgomery, Ronald; Matthews, Marian; Rea, R. E.; Cook, Wayne R.
Unidentified flying objects; Space theology; Salisbury, John W.--Correspondence; Errata; Authorship; National Science Foundation (U.S.); Summer institutes; Books--Purchasing; Hynek, J. Allen (Joseph Allen), 1910-1986--Correspondence; Pluto (Dwarf...
Capen, Charles F., 1926-1986; Addy, Coleen; Tombaugh, Larry; Tombaugh, Nancy; Charles, F. E.; McGvaine, Lois; Costa, Anne; Crill, Peter A.; Di Chiara, Rosa
Aldridge, Don; Monson, Ellen; Pezzee, Elizabeth; Logan, C. A., Mrs.; Foster, Frank; Price, Douglas; Enos, Bruce; Burkett, H. Patricia; Kurtz, Lawrence A. III; Oetking, Philip
Telescopes; Sexism in education; Saturn (Planet); Pluto (Dwarf planet); Discoveries in science; Sixth grade (Education); Vocational guidance; Autographs; Tombaugh, Clyde William, 1906-1997--Biography; Mars (Planet); Science projects; Thank-you notes
Carrouges, Michel; Bosch, Herbert A.; Cransky, Raleigh; Matter, Eleanor; Crotty, William E.; Chavez, Joe; Hill, Don; Hewlett, Bill
Unidentified flying objects; Authorship; Physics--Research; Mars (Planet); College students; Education; Jupiter (Planet); Autographs; Planets--Study and teaching; Astrology; Science fairs; Telescopes; Fan Mail
Funk, Alice S.; Collins, Allen Lee; Emery, George Lee.; Jarrett, Charles; Gardenhire, Jean; Gardenhire, Larry; Edgar, Robert T.; Lanteigne, Joseph
Geographos (Asteroid); Fan mail; Autographs; Fan mail; Planets--Study and teaching; Gardenhire, Larry--Correspondence; Edgar, Robert T.--Correspondence; Educational counseling
Fan mail; Authorship; Young adults; Science; Telescopes; Planets; Photographs; School children--Correspondence; Telescopes--Design and construction; Unidentified flying objects; Lunar photography; Mars (Planet); Martians; Mars (Planet)--Meteorology