16 Printed publications, namely, brochures, booklets, and teaching materials in the field of marketing advice to government contractors and those selling to state, federal and local government; Printed publications, namely, books, presentations, articles, worksheets, textbooks, educational booklets, brochures, manuals in the field of marketing advice to those selling to state, federal and local government; Printed educational publications, namely, training manuals in the field of marketing advice to government contractors and those selling to state, federal and local government; Printed educational publications, namely, books, presentations, articles, worksheets, textbooks, educational booklets, brochures, manuals in the fields of marketing advice to government contractors and those selling to state, federal and local government; Printed quick reference pocket guides in the field of marketing advice to government contractors and those selling to state, federal and local government