A
Abbot, C.G.
Adam, George [typescript]
Adams, Walter S.
American Philosphical Society
Ames, Joseph S.
Anding, E.
Andrade, E.N. Da C.
Anschutz, C.
Appell, Paul
Archibald, R.C.
B
Bacon, H.M.
Bakewell, Thomas W.
Bakhuzen, H.G. Van De Sande
Ball, W.W. Rouse
Bappu, M.K. Vainu
Barnard, E.E.
Barnes, Charles L.
Barnes, E.W.
Samuel G. Barton
Barus, Carl
Bateman, Harry
Bauer, Louis A.
Bausch & Lomb
Becker, G.F.
Belot, E.
Berger, G.
Besosa, Adolfo E.
"Beta"
Bentley, Byron R.
Bessmertny, Bertha
Bigelow, Jacob
Bigelow, Robert P.
Blackstone, D.P.
Blake, Ralph M.
Bobrovnikoff, N.T.
Bode, Johann Elert
Bolton, H. Carrington
Bond, George P.
Bond, William Cranch
Boneff, N.
Bowditch, Nathaniel
Bowditch, Nathaniel [about]
Bowen, I.S.
Bowman, Isiah
Brace, D.B.
Bragg, William, Sir
Brasch, Frederick E.
Brett, G.S.
Borad, C.D.
Brodetsky, S.
Browne, Ernest W.
Browne, Charles Albert
Bryant, John Ebenezer
Bucherer, A.H.
Bunge, Mario
Burckhardt, Fr. on Tycho Brahe
Burke-Gaffney, W.
Burnes, James J.
Butterfield, Herbert
Bydzovsky, Bohumil
C
Cajori, Florian
California Institute of Technology
Campbell, J.W.
Campbell, Leon
Campbell, W.W.
Cantor, Moritz
Carnegie Institute
Carrara, Bellino
Carruthers, Rev. G.T.
Carus, Paul
Cassirer, Ernst
Caswell, Alexis
Chambers, George F.
Chant, C.A.
Chretien, Henri
Church, A.H.
Alvan Clark & Sons
Clark, Austin H.
Clarke, Frances M.
Clay, R.S.
Cohen, I. Bernard
Comets - scrapbook of clippings
Connecticut Academy of Arts & Sciences
Connely, Willard
Conway, A.W.
Cooke, Richard H.
Coolidge, J.L.
Crehore, Albert Cushing
Crew, Henry
Crew, William H.
Curtiss, Ralph H.
D
Dale, Henry, Sir
Darrow, Floyd L.
Davies, J.D. Griffith
Davis, Bergen
Davis, R.N.
Davisson, C.J.
Dawson, John
Dean, John Candee
De Bray, E.J. Gheury
De Donder, Th. & J. Pelseneer
DeFord, C.S.
Denny, Margaret
Dingle, Herbert
Dominion Astronomical Observatory
Doolittle, C.L.
Dreyer, J.L.E.
Drost, J.
Duhem, Pierre
Dyson, Frank
E
Eddington, Arthur Stanley [memorial]
Ehrenberg, Hans
Einstein, Albert
Elbert, Donna D. & S. Chandrasekhar [APS flier]
Elliot, James
Emanuelli, Pio
Emerson, Edwin
Encke, J.F.
Epstein, Paul S.
Eisenhart, L.P.
F
Farrand, Max
Fauquier, Francis & William
Fine, Henry B.
Fischer, Ernst Gottfried
Fiske, John
Flammer, E.
Fleming, J.A.
Foerster, Wilhelm [also Förster]
Fokker, A.D.
Foote, Paul D.
Foster, Francis Apthorp
Fourier, Baron
Fox, Phillip
Academy of Sciences (France)
Freundlich, Erwin
Frick, Bertha M.
Frost, Edwin Brant
G
Wm. Gaetner & Co. catalog
Galileo [about]
Gamow, G.
Garrison, William Lloyd
Gartelmann, H.
Gasser, Herman
Gehrcke, Ernst
Gibbs, Wolcott
Gilbert, Allan H.
Glaisher, J.W.L.
Giæver, John
Gingrich, Curvin H., editor, Popular Astronomy June 1943
Goedhart, J.G.A.
Goffin, Elisabeth
Goodfellow, John C.
Granthamian, The Easter 1927
Greene, John C.
Griffith, G.
Guyot, E.
H
Hake, H.M.
Hale, George Ellery
Hall, Asaph
Halley [about]
Halsted, George Bruce
Hanna, James W.
Hargreaves, J.
Harkness, William
Harrold, Orville G., Jr.
Hartill, Isaac, Rev.
Hartlib, Haak, Oldenberg And Others With the Founders of the Royal Society
Hastings, C.S.
Heinrici, D. George
Hellman, C. Doris
Hermes, Hans Emil
Hesse, Mary B.
Hessel, J.F.C.
Heyl, Paul
Higgins, Thomas James
Hinrichs, Gustavus Detlef
Hinton, C.H.
Hoffman, E.
Holden, Edward S.
Holden, Edward S.
Hoppe, Edmund
Hubbard, Elbert
Hussey, William J.
I
International Astronomical Union
J
Jack, William
Janczewski, Ed.
Jefferson, Thomas [about]
Johannsen, N.
Johnson, E.H.
Johnson, Francis R.
Walter J. Johnson, Inc. catalog
Jones, Harold Spencer, Sir
De Jong, C.
K
Kaempffert, Waldemar
Karpinski, Louis C.
Kepler [about]
Kilgour, Frederick G.
Killian, James R.
Kubota, Tadahiko
Koch, G.F.
Kraus, Charles A.
Kraus, Michael
Kretschmann, Philip Michael
Kuiper, G.P.
Kurtz, S.S., Jr. & A.L. Ward
L
Laboulle, M.J.J. & H. Levy
Laemmel, Rudolf
Larkey, Sanford V.
Laves, Kurt
Lee, Oliver J.
Lepper, George Henry
Lick Observatory
R. Lier & Co. catalog
Lindblad, Bertil
Lingelbach, William E.
Littrow, Carl von
Lojkine, A.J. - Mt. Stromlo Observatory
Loomis, Elias
Loomis, William Isaacs
Lorentz, H.A.
Lovejoy, Arthur O.
Lowery, H.
Luyten, Willem J.
Lynn, W.T.
M
Macaulay, James on James Clark Maxwell
MacDonald, H.M.
MacDonald, W.L.
MacKaye, James
MacLeod, Andries H.D.
MacMillan, Lord
MacMillan, William Duncan
Marcolongo, Roberto
Marshall, J.
Marshall, William
Massachusetts Institute of Technology
Matthews, W.O.
McClaren, S.B.
McCrea, W.H.
McDiarmid, F.A.
McKie, Douglas
McLaughlin, Dean B.
Mead, Edwin D.
Mebius, C.A.
Meffroy, J.
Mendenhall, Thomas
Merlin, Emile
Merrick, Sara Newcomb
Merriman, Thaddeus
Merriam, John C.
Metcalf's Comets
Metzdorf, Robert F.
Metzger, Helene
Michelson, A.A.
University of Michigan Library
Millosevich, Elia
Milne, E.A.
Mineur, Henri
Mitchell, S.A.
Mitchell, U.G.
Mizwa, Stephen P.
Montague, W.P.
Mooser, J.
More, Louis Trenchard
Morgan, Edmund S.
Moulton, F.R.
Müller, Friedrich C. G.
N
Newcomb, Simon
Newell, Lyman C. & Tenney L. Davis
Newton
Nipher, Francis E.
Nisoli, Franz
Nordstrom, Gunnar
Noyes, William A.
O
O'Horibe, H. Ayuso Y.
Ohlsson, John
Oliver, John William
Omang, S.O.F.
Opik, E.
Optical Society of America
Ornstein, L.S.
Osborn, Henry Fairfield
Ostermann, H.
Oxmantown, Lord
P
Page, Leigh
Patschke
Payne, W.W.
Pease, F.G.
Peck, James W.
Pelseneer, J.
Petronievics, Braanislav
Piercy, A.T.
Pilgrim Trust
Planck, Max
Plaskett, H.H.
Plaskett, J.S.
Plummer, H.C.
Poincare, Henri
Poor, Charles Lane
Popovici, Constantin
Poynting, John H.
Prandtl, W.
Priestly Commemoration
Pritchett, Henry S.
R
Rayleigh, Lord
Relativity
Reuterdahl, Arvid
Riddell, J. Oliver
Rigge, William F.
Roberts, George E.
Robertson, James
Rosen, Edward
Ross, Alexander D.
Royal Astronomical Society
Royce, Josiah
Rufus, William Carl
Rupert, William W.
Russell, Bertrand [about]
Russell, Henry Norris
S
Safford, Truman Henry
Sampson, Ralph Allen
Sande Bakhuyzen, E.F. Van De & J.E. De Vos Van Steenwijk
Sarton, George
Schick, J.
Schrodinger, Erwin
Schreier, Otto
Schuster, Arthur
Scientific apparatus
See, T.J.
Seeger, Raymond J.
Seeliger, H.
Shaw, James Byrnie
Shneiderov, A.J.
Silberstein, L.
Simons, Lao G.
Simpson, George Gaylord
Singleton, M.T.
Sitter, W. De
Smiley, Charles H.
Smith, David Eugene
Smith, David Eugene
Snell, E.S.
Snow, A.J.
Spillman, W.J.
Spitz, Armand
Stanford University
Stark, J.
Stark, William W.
Stearns, Raymond Phineas
Steele, Mary Davies
Stetson, Harlan T.
Stewart, Balfour
Stimson, Dorothy
Strong, E.W.
Stromgren, Elis
Stroobant, Paul
Struik, D.J.
Struve, Otto
Studnicka, F.J.
Swann, W.F.
T
Takahashi, S.
Tamaki, Kajuro
Taylor, C.
Taylor, F. Sherwood [etc.]
Taylor, William B. on Joseph Henry
Thayer, William R.
Tilley, Winthrop [typescript]
Tolles, Frederick B.
Todd, David P.
Turnbull, H.W.
Turner, J.E.
Twyman, F.
V
Vallejos, M.A. Raul
Van De Kamp, P.
Van Den Bos, W.
Very, Frank W.
Voltaire
Voss, Albert
W
Walker, Robert on James Clark Maxwell
Wangerin, Albertus
Ware, Horace Everett
Warner, Worcester R.
Warner & Swasey Co.
Webb, W.L.
Weber, Moritz
Weinek, L.
Welling, James C. on Joseph Henry
Whipple, Robert S.
Whitman, Frank Perkins
Whittaker, E.T.
Wieleitner, Von Heinrich
Williams, Kenneth P.
Winnecke, A.
Wittry, David B.
Wolkonsky, Serge, Prince
Woolard, Edgar W.
Wren, F.L.
Wright, Edward
Wright, Elizur
Wright, T.F.
Y-Z
Yerkes Observatory [various pamphlets in one binding]
Young, Augustus
Young, C.A.
Young, R.K.
Zeitlinger, Henry
Ziwet, Alexander
Zodiaque (L. Bolton)
Zuniga, E. Garcia De
Zwack, George M.
Miscellaneous - full issues, correspondence, laid-in items
Journals and magazines - full & partial issues
Typed item listings