E. C. Humberstone (Humberstone, E. C.)

• 
  Everyday Things
  by E. C. Humberstone, Bob Hersey, Louise Nevett, Malcolm English, Basil Arm
  Hardcover, Edc Pub, ISBN 0794518087 (0-7945-1808-7)
• 
  The Usborne First Book of Knowledge
  by E. C. Humberstone
  Hardcover, American Institute of Aeronautics & Astronautics, ISBN 0746019637 (0-7460-1963-7)