30148Original, Hand-Drawn Motor Boat Design by the Swedish-born, American Boat Designer of the Immensely Popular Triton and Cape Dory 22
Alberg, Carl
Original, Hand-Drawn Motor Boat Design by the Swedish-born, American Boat Designer of the Immensely Popular Triton and Cape Dory 22
38359Rare Autograph Letter by Swedish Scientist and Balloonist, S.A. Andrée
Andree, Salomon
Rare Autograph Letter by Swedish Scientist and Balloonist, S.A. Andrée
37938Requesting Support for an Officer Destined to Serve in the Falkland Islands and Aboard Bougainville’s Historic Circumnavigation of the World
Bougainville, Louis-Antoine
Requesting Support for an Officer Destined to Serve in the Falkland Islands and Aboard Bougainville’s Historic Circumnavigation of the World
32834John Burroughs Photographed Outside of his Cabin “Slabsides”
Burroughs, John
John Burroughs Photographed Outside of his Cabin “Slabsides”
37434A Signed Photograph of the Famed Naturalist
Burroughs, John
A Signed Photograph of the Famed Naturalist
36964The Scottish Spiritualist and Creator of Sherlock Holmes Writes to the Resident of a Haunted Castle: “May I congratulate you both upon your own remarkable psychic gifts  and the grasp which you have of the subject”
Doyle, Arthur Conan
The Scottish Spiritualist and Creator of Sherlock Holmes Writes to the Resident of a Haunted Castle: “May I congratulate you both upon your own remarkable psychic gifts and the grasp which you have of the subject”
31099Autograph Letter Signed: “I especially never want to connect with Harden because I want to avoid any distant association whatsoever with his Vienna analog”
Freud, Sigmund
Autograph Letter Signed: “I especially never want to connect with Harden because I want to avoid any distant association whatsoever with his Vienna analog”
38309Freud’s 1933 Recommendation of Theodor Reik with Reik’s Handwritten Definition of Psychology
Freud, Sigmund
Freud’s 1933 Recommendation of Theodor Reik with Reik’s Handwritten Definition of Psychology
30505Typed Letter Signed and Manuscript about Barnstorming Pilot’s Adventures with His Close Friend Charles Lindbergh
Gurney, Harlan 'Bud'
Typed Letter Signed and Manuscript about Barnstorming Pilot’s Adventures with His Close Friend Charles Lindbergh
37610Lengthy Letter to his Wife as he Celebrates the New Year During WWI
Hahn, Otto
Lengthy Letter to his Wife as he Celebrates the New Year During WWI
37001Autograph Letter from the English Polymath, Astronomer and Photography Pioneer, Mentioning Digital Computer Pioneer Charles Babbage
Herschel, John Frederick William
Autograph Letter from the English Polymath, Astronomer and Photography Pioneer, Mentioning Digital Computer Pioneer Charles Babbage
33659Signed Airmail Envelope from the Very First Airplane Passenger on a Trans-Atlantic Flight
Levine, Charles A.
Signed Airmail Envelope from the Very First Airplane Passenger on a Trans-Atlantic Flight