Manuscripts
The Activity of the Thinking Man is Free and Fruitful
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The Law of Human Progress: An Oration before the Phi Beta Kappa Society of Union College, in New York. July 25th 1848. :
Manuscripts
The extra-illustrated volume including an autograph manuscript of Sumner's address before the Phi Beta Kappa society of the Union College of Schenectady, N.Y. on July 25, 1848. The manuscript (HM 75886) is a draft with insertions, corrections, editorial changes, etc.
mssHM 75881-75884, HM 75886

Lieutenant Joseph Bull's orderly book, 1759
Manuscripts
Kept by a soldier of the 1st Battalion of the New York Regiment and concerns the actions of the British army at Schenectady and Forts Herkimer, Stanwix, Oswego, and Ontario, between May 25 and November 1, 1759.
mssHM 687
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James D. Hague as a young man, hand-colored portrait
Visual Materials
Photographer: "Meade Bros. 288 Broadway, New York." Date based on years photographer operated at that address.
(photDAG 88)
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John James Streets book of lecture notes
Manuscripts
This volume contains lecture notes kept by John James Streets while attending classes at the American Veterinary College in New York during the winter term 1887-1888.
mssHM 82550
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British electrical industry lag: 1882-1888: conference paper
Manuscripts
Copy of a 26-page typescript for a conference paper written and delivered by Thomas Parke Hughes at the New York Meeting of the American Association for the Advancement of Science, 1960, accompanied by an abstract, conference agenda, and letter from Hughes to Bern Dibner dated 1960, December 6, noting that Dibner was to be the session's commentator.
mssHM 83031-83032
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Note regarding Samuel F. B. Morse
Manuscripts
The note, which is in Dana's hand, reads: "Prof. S. F. B. Morse lives at Hudson or Poughkeepsie but write to care of Western Union Telegraph Company, New York & he will get the letter."
mssHM 75948