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.
{incl "Full-Tone Collotype for Scientific Reproduction," Supplements 6-13; reprint of "Photographic Studies of Nebulae," by John Charles Duncan w/ samples of photo collotype}
