6 public-domain matches

Arithmetic Commercial 1922

International Library of Technology

International Library of Technology

International Textbook Company

Cover of Lectures in Proof Theory and Complexity

Lectures in Proof Theory and Complexity

Pianigiani Duccio

Cover of Building the Foundation: Whole Numbers in the Primary Grades: The 23rd ICMI Study

Building the Foundation: Whole Numbers in the Primary Grades: The 23rd ICMI Study

Unknown author

Cover of Making up Numbers

Making up Numbers

Ekkehard Kopp

Cover of Elements of Higher Mathematics

Elements of Higher Mathematics

Frans Keune

Cover of Teaching and Learning Mathematical Modelling: Approaches and Developments from German Speaking Countries

Teaching and Learning Mathematical Modelling: Approaches and Developments from German Speaking Countries

Gilbert Greefrath, Katrin Vorhölter