General correspondence with astronomers and physicists, 1919-1932 Select: General correspondence with astronomers and physicists, 1919-1932Scope and ContentsIncludes about 250 items concerning Butler's astronomical observations and paintings of astronomical events. Correspondents include John A. Miller, Joseph Raymond Swain, Jakop Kimz, Frderick Socub, N. E. Wheeler, George E. Hale, John Q. Stuart, and representatives of Mount Wilson Observatory. Correspondence with selected astronomers and observatories, 1922-1932 Select: Correspondence with selected astronomers and observatories, 1922-1932Scope and ContentsCorrespondence includes topics relating to arranging for station watches and observation of eclipses. Correspondents include Edward Adams, W. H. McFetridge, Leander McCormick Observatory, University of Virginia, Lowell Observatory, Flagstaff, Arizona, and Lick Observatory, Mt. Hamilton, California. Material relating to Butler's appointment as supervising architect for Astronomical Hall, American Museum of Natural History, 1925-1932 Select: Material relating to Butler's appointment as supervising architect for Astronomical Hall, American Museum of Natural History, 1925-1932Scope and ContentsIncludes correspondence with Henry F. Osborn, American Museum of Natural History president, and Butler's critique of plans, articles, and blueprints. Addresses and essays, circa 1918-1934 Select: Addresses and essays, circa 1918-1934 "The planetarium," by Clyde Fisher, circa 1934 Select: "The planetarium," by Clyde Fisher, circa 1934Scope and ContentsPrepared for publication in the Amateur Astronomer. "Painting the solar eclipse of 1918", circa 1918 Select: "Painting the solar eclipse of 1918", circa 1918Scope and ContentsIncludes two address drafts, with notes. "Painting the solar eclipse", circa 1918 Select: "Painting the solar eclipse", circa 1918Scope and ContentsTypescript draft varying considerably from "Painting the solar eclipse of 1918," apparently prepared as an address. "The planet Mars as seen from his satellites - photos and demos. Two paintings by Howard Russell Butler, N.A." , undated Select: "The planet Mars as seen from his satellites - photos and demos. Two paintings by Howard Russell Butler, N.A." , undatedScope and ContentsIncludes two drafts. Correspondence and printed material, 1930 Select: Correspondence and printed material, 1930Scope and ContentsIncludes material relating to an exhibition of Butler's eclipse paintings at the Littlecote Galleries, Utica, New York. Clippings, 1918-1927 Select: Clippings, 1918-1927Scope and ContentsClippings concerning astronomical events and Butler's eclipse paintings. Pencil studies, circa 1919-1932 Select: Pencil studies, circa 1919-1932Scope and ContentsContains Butler's pencil studies of Mars and the Moon