6 public-domain matches

Determinatives

Cover of The Broken Body

The Broken Body

Francesca Iannarilli

Cover of Self-determining Haiti

Self-determining Haiti

James Weldon Johnson

Cover of The theory of determinants, matrices, and invariants

The theory of determinants, matrices, and invariants

H. W. Turnbull

Cover of The purchasing power of money

The purchasing power of money

Irving Fisher

Cover of American Negro slavery

American Negro slavery

Ulrich Bonnell Phillips

A New Method of Determining the Parallax of the Sun

A New Method of Determining the Parallax of the Sun

Edmond Halley