Encyclopedias and dictionaries 43 Encyclopedias and dictionaries, Arabic 25 Curiosities and wonders 17 Handbooks, manuals, etc 16 Periodicals 13 Meetings -- 11 Congresses and conventions -- 9 more ... Juvenile literature 7 Museums -- 7 Encyclopedias and dictionaries, Malay 6 World records 6 Almanacs, American 4 Arabic language 4 Curiosities and wonders -- 4 Indexes 4 Periodicals -- 4 Philosophy 4 Seminars -- 4 Arabic essays 3 Children's encyclopedias and dictionaries 3 Collections 3 Encyclopedias 3 Planning -- 3 Science -- 3 Statistics -- 3 World records -- 3 Antiquities -- 2 Arabic 2 Associations, institutions, etc. -- 2 Case studies 2 less ...