The I.G.S. laboratory
Subtitle: an inter-graded and integrated spelling laboratory
By: by E. K. Doyle in collaboration with Margaret Young.
Contributors: Young, Margaret, joint author.
Publisher: Horwitz
Published: 1967
Place of publication: [Sydney
Language: eng
Subjects: Spellers.; English language -- Orthography and spelling -- Programmed instruction.
Notes: Spelling cards and 12 p. pamphlet issued in a box.