16 Printed matter namely, paper signs, books, manuals, curricula, newsletters, informational cards and brochures in the fields of politics, energy, defense and security, economy and technology; printed photographs; printed instructional and teaching materials in the fields of politics, energy, defense and security, economy and technology; printed magazines featuring politics, energy, defense and security, economy and technology; printed books in the fields of politics, energy, defense and security, economy and technology; printed newsletters in the fields of politics, energy, defense and security, economy and technology; printed bulletins concerning politics, energy, defense and security, economy and technology; printed booklets in the fields of politics, energy, defense and security, economy and technology; printed books in the field of politics and economics; printed seminar notes in the fields of politics, energy, defense and security, economy and technology; printed lectures; printed periodicals in the fields of politics, energy, defense and security, economy and technology; printed journals in the fields of politics, energy, defense and security, economy and technology; printed informational letters concerning politics, energy, defense and security, economy and technology; printed news bulletins; printed newspapers; printed educational publications namely, hand-outs, magazines, newspapers, books in the fields of politics, energy, defense and security, economy and technology