5 public-domain matches

Integral Equivalence

Cover of Engineering Materials in Extreme Environments

Engineering Materials in Extreme Environments

Unknown author

Cover of Argonauts of the western Pacific

Argonauts of the western Pacific

Bronisław Malinowski

Cover of The laws of thought, or formal logic

The laws of thought, or formal logic

William Poland

On General Relativity

On General Relativity

Harry Bateman

Mathematical Problems

Mathematical Problems

David Hilbert