Clark, J. S., Hicks, M. D., & Perry, W. S. (1898). Teacher's manual: For The Prang elementary course in art instruction books 5 and 6 fifth year. The Prang Company.
Lua i Stíl Chicago (17ú heag.)Clark, John Spencer, Mary Dana Hicks, agus Walter Scott Perry. Teacher's Manual: For The Prang Elementary Course in Art Instruction Books 5 and 6 Fifth Year. New York : Chicago [etc.]: The Prang Company, 1898.
Lua MLA (8ú heag.)Clark, John Spencer, et al. Teacher's Manual: For The Prang Elementary Course in Art Instruction Books 5 and 6 Fifth Year. The Prang Company, 1898.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.