Directories Research 99 Universities and colleges 74 Information services 47 Bibliography 44 Agriculture 33 Education, Higher 31 more ... Societies, etc 31 Commerce 29 Education 26 Biography 25 Handbooks, manuals, etc 24 Periodicals 24 Computer network resources 20 Industries 20 Fisheries 19 Libraries 19 Graduate work 18 Corporations 17 Web sites 17 Associations, institutions, etc 16 Business 16 Business enterprises 15 Equipment and supplies 15 Scholarships 15 Study and teaching 14 Food industry and trade 13 Learned institutions and societies 13 Catalogs 12 International agencies 12 less ...