Author · 1894 – 1952
A. M. Welchons
New solid geometry
A. M. Welchons
New solid geometry
Algebra
A. M. Welchons
Algebra
Plane geometry
A. M. Welchons
Plane geometry
Trigonometry with tables
A. M. Welchons
Trigonometry with tables
Geometry
A. M. Welchons
Geometry
Algebra Book 1
A. M. Welchons
Algebra Book 1
Modern trigonometry
A. M. Welchons
Modern trigonometry
Plane geometry
A. M. Welchons
Plane geometry
New plane geometry
A. M. Welchons
New plane geometry
Algebra
A. M. Welchons
Algebra
Modern trigonometry
A. M. Welchons
Modern trigonometry
Algebra, book 2
A. M. Welchons
Algebra, book 2
All 18 works
Achievement Test ; Algebra /Book 2 Modern Edition
A. M. Welchons
Achievement Test ; Algebra /Book 2 Modern Edition
Algebra
A. M. Welchons
Algebra
Answers to tests in textbook
A. M. Welchons
Answers to tests in textbook
Solid geometry
A. M. Welchons
Solid geometry
Algebra
A. M. Welchons
Algebra
Trigonometry with tables
A. M. Welchons
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