The world of learning 1972-73.
Inhalt Karte:Czyt. 192,576 WORLD The world of learning 1972-73. 23 ed. London 1972 Europa Publications Limited 4° Vol.1. 1.International.2.Afganistan -Kuwait, s.XIV,917,nlb.1. Vol.2. Laos - Zambia. Index, s.XIV, 919-1923.