51 leaves/pieces and 1 printed item (3 pages).
Correspondents:
Campbell, W. W.
Curtiss, R. H.
Dugan, Raymond S. - Princeton University Observatory
Harper, W. E.
Henroteau, François C. (1 holograph)
Lockyer, William J. (1 holograph)
Plaskett, Harry. - Dominion Astrophysical Observatory, Victoria (1 holograph)
Plaskett, J. S.
Schlesinger, Frank - Yale University Observatory
Shapley, Harlow
Stratton, F. J. M.
White, David - National Academy of Science, Washington, D. C.
Wright, W. H.
34 leaves/pieces and 1 printed item (4 pages).
Correspondents:
Baxandall, F. E. - Solar Phys. Observatory, Cambridge, England (1 holograph)
Campbell, W. W.
Dugan, Raymond S.
Lindblad, Bertil - Stockholm Observatorium, Sweden (2 holograph)
Newhall, H. F. (1 holograph)
Payne, Cecilia H . - Harvard College Observatory
Stratton, F. J. M. (2 holograph)
67 leaves/pieces.
Correspondents:
Barrows, Albert L. - Executive Secretary, National Research Council
Corn Exchange Bank Trust Company, New York
Eddington, Sir Arthur - Observatory, Cambridge, England (2 holograph)
Oort, Jan. H.
Schlesinger, Frank - Yale University Observatory
Shapley, Harlow - Harvard College Observatory
Struve, Otto
16 leaves/pieces and 1 printed item (2 pages).
Correspondents:
Curtiss, R. H. Fowler, A. Harper, W. E. Henroteau, François C. - Dominion Astrophys. Observatory, Ottawa Lockyer, William J. (1 holograph) Plaskett, J. S. (1 holograph)
Russell, Henry Norris
Shapley, Harlow
Stratton, F. J. M.
Wright, W. H. (1 holograph)
