V. 52 includes the proceedings of the conference on the Farmington Plan, 1959.

Dictionary of descriptors in English for use in library work involving the classification and retrieval of documentation in fields of agriculture and biology - includes terms used in rural sociology, relevant sectors of the chemical industry and the food industry, animal production, forestry work, work connected with human nutrition and home economics, the social sciences, plant science, engineering in connection with water supplys, etc.