Classification. Class L: Education.

Classification. Class L: Education.

Библиографические подробности
Соавтор: Library of Congress. Classification Division
Формат: ‌
Язык:English
Опубликовано: Washington U. S. Government Printing Office 1951
Редактирование:3rd ed.
Предметы:
Classification, Library of Congress.
Classification > Books > Education.