VTG Basic Programming Concepts & the IBM 1620 Computer c. 1962 excellent cond.

Basic Programming Concepts & the IBM 1620 Computer Leeson 1962 1st Edition RARE

Basic Programming Concepts & the IBM 1620 Computer 1962 1st Edition Hardcover

Basic Programming Concepts & the IBM 1620 Computer Leeson 1968

Computer Sorting Ivan Flores 1969 First Edition VTG Computing IBM 360 Mainframe

Vintage Rare 1948 book on Computing Mechanisms and Linkages by ANTONIN SVOBODA

Daniel N Leeson / Basic Programming Concepts and the IBM 1620 Computer 1962

Folio Book of Humorous Verse/Edward Leeson/2002 Folio Society/Hardcover Slipcase