Escher : with a complete catalogue of the graphic works /

by Escher, M. C. (Maurits Cornelis), 1898-1972
London : Thames and Hudson, 1982

M.C. Escher : his life and complete graphic work : with a fully illustrated catalogue /

by Bool, Flip, Kist, J. R., Wierda, Fokke, Locher, J. L.
New York : Abradale Press/Harry N. Abrams, 1992