Date: 2010-01-01

Clouds Are Not Spheres

Date: 1965-01-01

About the Small Square and the Small Triangle

Date: 2007-01-14

Flatland

Date: 1972-07-01

French Windows

Date: 2005-01-01

CircleSpeak

Date: 1965-12-15

The Dot and the Line: A Romance in Lower Mathematics

Date: 2007-01-14

Flatland

Date: 2018-04-12

M. C. Escher: Journey to Infinity

Date: 1998-01-01

M.C. Escher: Sky and Water 1

Date: 2019-11-12

Toroid

Date: 2013-01-24

Dimensions

Date: 1972-01-01

Keep on Turning

Date: 1979-05-03

Cube

Date: 1948-01-01

Geometry and You

Date: 2022-04-22

Shapes - Variation III

Date: 2008-02-05

Here Come the 123s

Date: 1961-01-01

Four-Point Conics

Date: 1977-05-01

Map Projections

Date: 1978-05-03

Cubits

Date: 1977-05-01

Perspectives