File Glass-plate negatives, German, dental, office, building, fire (2), 1904, undated Box 1, F 22 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 6 (Accession#3072 - Trelfa Collection Series 6, Sepull Glass Negatives)
File Film negatives, Alpena, people, outdoors, homes, vehicles, buildings (7), undated Box 2, F 23 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 2 (Accession #3074, Voegel Fish Hatchery/Boulton)
File Glass-plate negatives, Alpena (4), 1890, undated Box 3, F 23 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection - Series 1 (Accession #3071 - Boulton Collection)
File Glass-plate negatives, Alpena, people, E. K. Crocker, Crocker, buildings, foundry, industry, railroad, conductor, baggage master (5), 1849, 1880's Box 4, F 23 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 3 (No Accession#, Unknown Trelfa Collection)
File Glass-plate negatives, car, Oldsmobile (2), undated Box 1, F 23 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 6 (Accession#3072 - Trelfa Collection Series 6, Sepull Glass Negatives)
File Glass-plate negatives, Alpena, boat, plane (3), 1920, undated Box 3, F 24 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection - Series 1 (Accession #3071 - Boulton Collection)
File Glass-plate negatives, Alpena, streets, buildings, dam, logs, river (3), 1880's Box 4, F 24 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 3 (No Accession#, Unknown Trelfa Collection)
File Glass-plate negatives, road, bridge, cottage, building, hammock, porch (2), 1903, undated Box 1, F 24 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 6 (Accession#3072 - Trelfa Collection Series 6, Sepull Glass Negatives)
File Photographs, Alpena, landscapes, buildings, machinery, streets, West Virginia, Germany, Devil's Saddle, mountains, Gutenberg Bible, Y.M.C.A., Mammoth Spring (12), 1925, undated Box 2, F 24 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection, Series 2 (Accession #3074, Voegel Fish Hatchery/Boulton)
File Film negatives, Alpena, car, train (18), undated Box 3, F 25 In: Trelfa Photographic Collection, 1886-1920, 1886-1920 » Trelfa Collection - Series 1 (Accession #3071 - Boulton Collection)