Bob gill illustration /

Eitemau Tebyg

• Innovators of American illustration /
  gan: Heller, Steven
  Cyhoeddwyd: (1986)
• A treasury of the great children's book illustrators /
  gan: 357781 Meyer, Susan E.
  Cyhoeddwyd: (1983)
• Illustrating children's books : history-technique-production /
  gan: Pitz, Henry Clarence, 1895-1976
  Cyhoeddwyd: (1968)
• The encyclopedia of illustration techniques /
  gan: 204782 Slade, Catharine
  Cyhoeddwyd: (2002)
• Pro-illustration : a guide to professional techniques /
  gan: 246678 Bossert, Jill
  Cyhoeddwyd: (1996)