National Lexicographic Board

• Illustrated world encyclopedia
• The illustrated home library encyclopedia
• The New wonder book, cyclopedia of world knowledge
• Illustrated world encyclopedia
• The illustrated home library encyclopedia
• The Illustrated home library encyclopedia
• The Illustrated Home Library Encyclopedia; 8
• The New American Roget's college thesaurus in dictionary form.
• The New wonder book, cyclopedia of world knowledge
• Illustrated Home Library Encyclopedia; 1
• Illustrated Home Library Encyclopedia; 14
• Illustrated Home Library Encyclopedia; 15