Directories -- Directories 35 Officials and employees -- 11 Civil service -- 10 Industries -- 9 Government -- 8 Libraries -- 8 more ... Handbooks, manuals, etc 7 Handbooks, manuals, etc. -- 7 Periodicals -- 7 Business enterprises -- 6 Biography -- 4 Commerce 4 Commerce -- 4 Corporations -- 4 Economics -- 4 Manufacturers -- 4 Manufactures -- 4 Economic -- 3 Administrative agencies -- 2 Business people -- 2 Computer network resources -- 2 Entrepreneurship -- 2 Europe -- 2 Heads of state -- 2 Information services -- 2 Legislators -- 2 Politicians -- 2 Statesmen -- 2 Universities and colleges -- 2 less ...