THE INVISIBLE PYRAMID
Eiseley, Loren C., 1907-1977.
THE INVISIBLE PYRAMID WOODCUTS BY WALTER FERRO; INTRODUCTION TO THE BISON BOOKS EDITION BY PAUL GRUCHOW - LINCOLN BISON BOOKS; UNIVERSITY OF NEBRASKA PRESS 1998
HUMAN ECOLOGY
SOCIAL EVOLUTION
TECHNOLOGY AND CIVILIZATION
CIVILIZATION--PHILOSOPHY
HUMAN BEINGS
THE INVISIBLE PYRAMID WOODCUTS BY WALTER FERRO; INTRODUCTION TO THE BISON BOOKS EDITION BY PAUL GRUCHOW - LINCOLN BISON BOOKS; UNIVERSITY OF NEBRASKA PRESS 1998
HUMAN ECOLOGY
SOCIAL EVOLUTION
TECHNOLOGY AND CIVILIZATION
CIVILIZATION--PHILOSOPHY
HUMAN BEINGS