National employment services, Canada. - Geneva, 1950. - ix, 105 p. diagrs. 24 cm. At head of title: International Labour Office. LCCN: l 50000141 Subjects--Corporate Names: Canada. Unemployment Insurance Commission. Subjects--Topical Terms: Employment agencies--Canada. LC Class. No.: HD5877 / .A5 1950 Dewey Class. No.: 331.1151