Subjects and Genres: '; “...Manufacturing industries...”
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Subjects and Genres: '; “...Wanamaker Institute of Industries (Philadelphia, Pa.)...”
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Subjects and Genres: '; “...Manufacturing industries...”
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Subjects and Genres: '; “...Silk industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Pennsylvania Museum and School of Industrial Art...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Strikes and lockouts--Textile industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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Subjects and Genres: '; “...Photographic industry...”
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