Research made possible by a National Science Foundation Institutional grant to the University of Arizona. (VM)

New filing rules have been developed for the catalogs of the Library of Congress. This article discusses preliminary considerations about the functions of large bibliographic files, the complexities of cataloging, the interaction between users and catalogs, and ways to simplify arrangement. (Author)

Focus in this article is on a taxonomy approach to mental retardation nursing but which could be developed for other clinical specialties as well. (Editor/MB)

The discussion centers around the dimensions of classification and experience in the study of art, literature, the social sciences, and philosophy. (DB)

Proposes and explicates a classification scheme of world environmental problems. Identifies research questions requiring answers. Physical-linkage effects, subdivided into global and regional problems, and social-linkage effects, subdivided into pecuniary and non-pecuniary effects, are each illustrated by examples. (AL)

The paper advocates an educationally focused definition of problems and procedures in educating handicapped children, with emphasis on the aptitude by treatment interaction model as a guide for both instructional and research activities. (Author)

Explored is the possibility that two distinct patterns of hyperkinesis exist (hyperactive and hyperreactive), each with its own behavioral and etiological features. (KW)

Since 1945, a method of catalog classification, originally devised by H.W. Eppelsheimer for the Mainz City Library, has found wide acceptance. It is a complex of catalogs which combines features of both subject classification and alphabetical subject indexing. (25 references) (Author/NH)

The Laurentian University Library has evolved a bilingual classified catalogue consisting of a public shelflist supplement by a French/English subject index. This produces an effective tool for locating all materials pertaining to a given topic in either or both of two languages. (Author/NH)

Production was increased by analyzing the duties of the staff and assigning duties to the proper level of personnel. Further improvement was made through the use of process forms and machines. (Author/NH)

Presents a schematic floor plan of industrial arts teaching facilities for three suggested occupational clusters of industry especially useful in the solution of school dropout problems of inner city disadvantaged youth. (GR)

Robert Gagne...accelerated the development of instructional theory by specifying the conditions for both the establishment and the observation of eight kinds of learned behavior...Within this article two additional categories are added to Gagne's original eight...and the behavior and psychological conditions under which the behavior can be…