Napper, J., & Lapeyre, J. (1961). Catalogue of an exhibition of recent paintings by John Napper: The Leicester Galleries London, march 1961 / [preface: Jean Lapeyre]. The Leicester Galleries.
Lua i Stíl Chicago (17ú heag.)Napper, John, agus Jean Lapeyre. Catalogue of an Exhibition of Recent Paintings by John Napper: The Leicester Galleries London, March 1961 / [preface: Jean Lapeyre]. London: The Leicester Galleries, 1961.
Lua MLA (8ú heag.)Napper, John, agus Jean Lapeyre. Catalogue of an Exhibition of Recent Paintings by John Napper: The Leicester Galleries London, March 1961 / [preface: Jean Lapeyre]. The Leicester Galleries, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.