4 public-domain matches

Books by Truman Lee Kelley

Cover of Educational guidance

Educational guidance

Truman Lee Kelley

Cover of Graphic evaluation of trigonometric functions of complex variables

Graphic evaluation of trigonometric functions of complex variables

Truman Lee Kelley

Cover of Educational Guidance: An Experimental Study in the Analysis and Prediction ..

Educational Guidance: An Experimental Study in the Analysis and Prediction ..

Truman Lee Kelley

Cover of Scientific method

Scientific method

Truman Lee Kelley