The World of Learning 1981 - 82. Vol. 1. (Svet vzdelania).
The world of learning : 1969 - 1970.
The world of learning : 1967-1968.
Évkönyv 1981/82 /
The world of learning 1994.
The world of learning 1988
The world of learning 1978-79. Volume 2, Rhodesia-Zambia. Index.
The world of learning 1978-79. Volume 1, International. Afghanistan-Qatar.
The world of learning 1975-1976. Volume one, 1. International. 2. Afghanistan - Puerto Rico.
The world of learning 1975-1976. Volume two, Rhodesia - Zambia. Index.
The World of Learning 1984-1985 /.
Learning legacies : a guide to family learning /
Learning teaching /
Fundamentals of learning /
Invertebrate learning. Volume 1, Protozoans trough annalids
Writing and learning. /
Learning to teach. /
Learning and memory /
The Learning Brain.
Learning C. /