Signed manuscripts by scholars, doctors, naturalists, signed scientific autographs

First edition of this offprint from the bulletin of historical and descriptive geography.
Boards reattached, the first bears an autograph inscription from L. Drapeyron to a fellow geographer.

First edition of this offprint from the geography section bulletin.
Spine sunned, otherwise fine copy.

Reprint, one of 500 numbered copies on alfa paper, the only printing with 50 copies on pur fil paper.
This is a description of 524 printed works published in French before 1610 dealing with non-European countries and peoples found in the principal libraries of France and Western Europe. Work illustrated with 300 photographic reproductions. Handsome copy.

First edition of this offprint printed in a small number of copies.
Front cover marginally sunned with a small tear without loss.

First edition, of which there were no deluxe copies.
Rare and handsome copy.

First edition.
A marginal loss affecting the front cover, otherwise a handsome copy.

First edition of this offprint, printed to a small number of copies .

First edition published in a small number of copies.
Autograph inscription by C. Lnt-Cnl. Corps, our copy is enriched with an autograph letter from the author to the dedicatee in which he notably hopes to make A. Einstein see reason about the error of his theories on relativity.
Handsome and rare copy.

First edition.
A very good copy.

First edition.
Autograph inscription by C. Lnt-Cnl. Corps.
Repaired tear with lack at head of spine, small marginal lacks to boards, handsome interior condition.

First edition.
A repaired tear at foot of spine, otherwise handsome copy.

First edition in French.
On the theory of relativity.
Handsome copy despite the spine and boards being marginally faded.

First edition.
Autograph inscription from C. Lnt-Cnl. Corps to Pierre Dupont.
On M. Michelson's new experiment.
Boards detached.

First edition, of which there were no deluxe copies.
Autograph inscription by the author.
Spine faded and boards detached.

First edition.
The logic of propositions, The technique of deduction, Properties and sets, Comprehension and extension, The logic of interdependencies, The technique of induction.
Handsome copy.

First edition of this lecture given to the Belgian Society of Philosophy on May 11, 1929.
Autograph inscription from the author on the front cover.

First edition.
A rare and very good copy, despite occasional small foxing.

First edition.
Ex dono to endpaper, a good and rare copy.

First edition.
Spine split and reglued at head and foot with two small lacks, some foxing.

First edition published in a small number of copies of this offprint.
Booklet illustrated with figures.
Rare and handsome copy.

First edition of this mathematical pamphlet against the theory of relativity.
Small tears without consequence to spine and boards, otherwise handsome copy.
Rare.

First edition.
Tiny corner chip to front cover, another at foot of spine, otherwise handsome copy.

First edition.
Work illustrated with 8 figures.
Spine sunned, otherwise handsome copy.

First edition.
Preface by Albert Einstein.
One tear without loss to page 58.

First edition.
Work illustrated with figures.
Spine faded, otherwise handsome copy complete with its errata leaf.

First edition.
A good copy.

First edition.
Autograph inscription by the author to Ernest Raynaud. Preface by J. Micouleau, handsome copy.

First edition, one of 520 numbered copies on tinted laid paper, the only issue with 1 Japan, 1 Montval, 58 Montgolfier.
Concerning notably A. Einstein.

First edition.
A rare and good copy.

First edition of the French translation by L. Rougier.
Spine and rear cover marginally faded, a tear at foot of front cover.

First edition.
Ex dono to head of title page.

4-page memoir presented at the VIIIth session of the International Geological Congress.