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• 20 UW-Madison Archives
• 6 World War I Collection

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• 20 Still image

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• 13 Astronomers
• 6 People
• 6 World War, 1914-1918
• 3 Group portraits
• 2 Boats
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• 1 Astronomical observatories
• 1 Buildings
• 1 Cannons
• 1 Churches
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• 1 Trains
• 1 University of Wisconsin—Madison. Department of Astronomy

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• 12 Belgium
• 2 Brussels (Belgium)
• 2 Cambridge (Mass.)