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Papers of David M. Dennison, professor of physics at the University of Michigan; contain lecture notes and exam materials, correspondence, speeches, files relating to research in theoretical physics, University of Michigan and travel files.

The David M. Dennison Papers contain both the personal correspondence of the Dennison family and items relating to David M. Dennison's research and teaching while at the University of Michigan.

The first part of the collection is correspondence from 1894-1896 from James Lutheran Dennison and his wife to their son Walter Dennison, the father of David M. Dennison. One folder contains correspondence from George Dennison and his wife Nina to his brother Walter Dennison also from the 1890s.

Biographical and personal materials for David M Dennison are comprised of letters from David M. Dennison and his wife, Helen Lenette Johnson, memorial materials from David's death, home finances, and travel information. Family documents in this collection are comprised mostly of his son Edwin's Ph.D. research at the University of Michigan. Dennison's papers include various speeches, articles, and other writings about the physics he was studying, primarily focused on the later part of Dennison's time at the University. Materials from the University of Michigan include lecture notes and exams from the many physics classes Dennison taught. Documents relating to administration of the physics department and David's colleagues are also a part of this collection. Of note is David and Helen's correspondence and connection to the Niels Bohr Institute.

Audio-visual materials in the collection include photographs of David and Helen from the early 1900s through the 1970s. There are also two cassette tapes with recording of talks given by David, as well as photograph negatives and spectroscopic plates, lantern slides depicting astronomical images pertaining to his astro-physics research.

Missionaries to China, 1920-1931; George T. Blydenburgh was the superintendent of a new hospital in Nanchang, Jiangxi Province. Correspondence to family members describing daily life, family matters, and news of the hospital's progress; photographs, newspaper clippings, and glass lantern slides documenting the Blydenburgh family's experiences (bulk 1920-1931). Statements and descriptions of incidents related to military campaigns in Nanjing, Shanghai, and Nanchang. Writings and outlines about life in China (1921-1934). Annual reports from the Nanchang General Hospital (1924-1932). Publications from the Nanking [Nanjing] Language School (1921-1922). Scrolls of woodblock prints, calligraphy, and painting (circa 1920-1930).

Marion P. Blydenburgh lived in China from 1920-1931 with her husband, George T. Blydenburgh, who was the superintendent of the Nanchang General Hospital (also known as the Susan Toy Ensign Memorial Hospital) in Jiangxi Province through the Board of Foreign Missions of the Methodist Episcopal Church. This collection contains correspondence written to family members in the United States describing daily life, family matters, and news of the hospital's progress as well as photographs, newspaper clippings, and glass lantern slides documenting the Blydenburgh family's experiences.

First-hand accounts from George Blydenburgh, Marion Blydenburgh, and others of incidents related to military campaigns in Nanjing, Shanghai, and Nanchang are among materials in this collection. Also included are annual reports from the Nanchang General Hospital, publications from the Nanking [Nanjing] Language School, as well as scrolls of woodblock prints, calligraphy, and painting. The collection is arranged in five series with Visual Materials and Correspondence encompassing the majority of the collection followed by Writings, Nanchang Hospital Reports, and Published Materials.

The Henry Chandler Cowles photograph collection is comprised primarily of lantern slides. As a botany professor at the University of Chicago, Cowles led several field trips to observe ecological environments during the years from 1898 to 1934. The lantern slides in this collection cover the geographic areas of Michigan, Colorado, Indiana, Wisconsin, and Illinois and include photographic subjects such as dunes, plant life, forests, landscapes, and class group pictures.

The Henry Chandler Cowles photograph collection is comprised primarily of glass lantern slides from Cowles's ecology trips covering the years 1898 to 1936 with the majority being unmarked or falling between the years 1900-1912. Captions affixed to the plates are noted when available along with any numbering. Some of the handwriting is difficult to make out as are the Latin names of the plants but every attempt at correct spelling has been made. The collection is divided into seven series: Michigan Photographs, Colorado Photographs, Illinois Photographs, Indiana Photographs, Wisconsin Photographs, Miscellaneous Photographs, and Indiana Transparencies. Each state has subseries of General -- which indicates a many single location photographs -- and subseries of cities for which a group of photographs exists.

University of Michigan student organization formed to build and manage a student union, sponsors a variety of social and service programs and activities, includes records of building and financial committees and various activity/organization files including the University Mimes and the Union Opera (later renamed MUSKET) and scrapbooks and photographs of Union activities.

The records of the Michigan Union measure 21 linear feet and 13 oversize volumes. The records date from 1890 to 1983, although there are some collected photographs dating as early as 1884. The collection has been divided into six series: Central Files, Activity/Organization Files, General Files, Photographs, Songs, and Board of Representatives.

Educator and director of education 1916-1919 in the Philippines. Bound volumes containing correspondence, appointments, speeches, writings, diaries, and travel accounts detailing career in the Philippines.

Walter Marquardt's collection is made up of bound volumes containing correspondence, appointments, speeches, writings, diaries, and travel accounts detailing his career in the Philippines and a collection of 360 hand-colored glass slides. The slides include views of Philippine people, buildings, and scenery, especially of native tribes, and slides of Marquardt and other American officials in the Philippines. The collection also includes one sound cassette of a radio speech, dated February 28, 1945, to be broadcast to the people of the Philippines by the Office of War Information, to mark the liberation of Manila from the Japanese.