Bruxelles, Commission of the European Communities, Directorate-General for Social Affairs, Vocational Guidance and Training Division.

Library Shelving Facility (LSF) >> EC 10.19/2:

Washington, D.C. : Federal Board for Vocational Education, 1918-1921.

[Washington, D.C. : s.n.]

Library Shelving Facility (LSF) >> FS 5.131:

Washington, D.C. : U.S.G.P.O., -1970.

Library Shelving Facility (LSF) >> FS 5.280:80008-

[Washington, D.C.] : Division of Vocational Education