Numbers in colour
Subtitle: a new method of teaching the processes of arithmetic to all levels of the Primary School
By: by G.Cuisenaire and C. Gattegno.
Contributors: Gattegno, Caleb.
Edition: 3rd ed.
Publisher: Heinemann
Published: 1957
Place of publication: London
Language: eng
Notes: Part ii adapted from G. Cuisenaire's 'Les nombres en couleur'.

Previous ed., 1955.