{C. O. Lampland; E. Percival Lewis; Frank B. Littell; Percival Lowell; H. G. Lyons; Maryland [Hotel]; E. Miller; G. Millochau; A. A. Nijland; Johann Palisa; Louis A. Parsons; J. E. Petavel; E. C. Pickering [incl c.2 ltrs S. W. Manning Fletcher ? S. I. Bailey; c.ltrs ECP ?? P. Lowell]}
The collection consists of the correspondence files of Frederick Hanley Seares. While roughly one half of the papers deal with administrative matters of the Mount Wilson Observatory, the remainder cover his scientific work. There are also some manuscripts, notes and notebooks (Boxes 19-21) related to Seares's research activities.
{Corresp: A. Fowler; H. Spencer-Jones; Henrietta S. Leavitt; Harlow Shapley; R. A. Sampson; Joel Stebbins; W. W. Campbell; Frank Dyson; J. A. Parkhurst; J. Baillaud; P. J. Melotte; H. H. Turner. folded, oversize}