The Double-Decker Bus: Early Addition and Subtraction (Contexts for Learning Mathematics, Grade K-3: Investigating Number Sense, Addition, and Subtraction)Maarten Dolk, Catherine Twomey Fosnot, Nina Liu · First published 2008Open the Tome
Report of John M. Decker, delegate to the General Assembly, K. of L., Minneapolis, 1887John M. Decker · First published 1979Open the Tome
