RARE, LARGE SIGNED PHOTOGRAPH BY FEARLESS FEMALE PHOTOJOURNALIST MARGARET BOURKE-WHITE. More

THE RETURN OF MARTIN GUERRE — THE VERY RARE FIRST EDITION OF THE JUDGE’S FIRST-HAND ACCOUNT OF A SENSATIONAL SIXTEENTH-CENTURY TRIAL FOR IDENTITY THEFT; THE BASIS OF NUMEROUS LITERARY, DRAMATIC, AND CINEMATIC ADAPTATIONS. More

EINSTEIN OFFERS STRONG AND PRESCIENT WORDS OF ENCOURAGEMENT TO THE LEADER OF THE NAACP IN THE FIGHT AGAINST RACISM AND SEGREGATION IN THE UNITED STATES. More

AN IMPORTANT SIGNED LETTER (in English) by Einstein, revealing his reservations of associating with communism even in the fight against fascism. More

TOWARDS THE END OF HIS LIFE, EINSTEIN WRITES TO ONE OF HIS FRIENDS FROM THE PATENT OFFICE CONCERNING ONE OF THE CENTRAL STRUGGLES OF HIS SCIENTIFIC LIFE. COMMENTING ON THE WORK OF DIRAC, EINSTEIN ADMITS THAT ALTHOUGH HE “CAN’T TAKE A STATISTICAL FOUNDATION OF PHYSICS SERIOUSLY” HE FINDS IT..... More

FEYNMAN OFFERS ADVICE AND ENCOURAGEMENT FOR A SCIENTIFIC ENDEAVOR. More

HEISENBERG PROVIDES HIS RECOLLECTIONS OF THE ORIGINS OF NIELS BOHR’S CONCEPT OF “COMPLEMENTARITY”. A UNIQUE ITEM, OF UTMOST IMPORTANCE FOR THE LIGHT IT SHEDS ON THE PHILOSOPHICAL FOUNDATIONS OF QUANTUM MECHANICS AS SEEN BY THE PIONEERS IN THE FIELD. More

THE FIRST COMPLETE COLLECTION OF THE 165 LETTERS OF ANTONI VAN LEEUWENHOEK THAT WERE PUBLISHED IN HIS LIFETIME (IN THE ORIGINAL DUTCH, AND PRECEDING THE FIRST COMPLETE LATIN EDITION BY FOUR YEARS); INCLUDING HIS LETTERS TO THE ROYAL SOCIETY DESCRIBING THE FIRST-EVER OBSERVATIONS OF BACTERIA, SPERM CELLS, AND OTHER MICROSCOPIC..... More

ADA LOVELACE’S PERSONAL ANNOTATED COPY OF CHARLES BABBAGE’S FIRST SIGNIFICANT PUBLICATION. A MAJOR MATHEMATICAL TEXT IMPORTANT FOR HER INTELLECTUAL DEVELOPMENT. 

WITH AT LEAST 35 INK ANNOTATIONS IN LOVELACE’S HAND – THE MAJORITY CORRECTIONS TO MATHEMATICAL EQUATIONS – AND AT LEAST 18 PENCIL ANNOTATIONS IN THE HAND OF HER TUTOR..... More

RARE 1726 THIRD EDITION OF NEWTON'S PRINCIPIA, THE LAST EDITION EDITED BY NEWTON AND THE BASIS FOR ALL SUBSEQUENT EDITIONS. ONE OF ONLY 1250 COPIES PRINTED. More

FIRST EDITION of arguably the most important source book for the works of the Greek mathematicians. The magnificent Horblit copy in contemporary (probably original) boards. More

VERY RARE FIRST EDITION OF RIEMANN’S DISSERTATION: “ONE OF THE MOST IMPORTANT ACHIEVEMENTS OF 19TH CENTURY MATHEMATICS,” “WHICH MARKED A NEW ERA IN THE DEVELOPMENT OF THE THEORY OF ANALYTIC FUNCTIONS.”. More