(1909). Extension circular. University of Arkansas, College of Agriculture and Experiment Station.
Lua i Stíl Chicago (17ú heag.)Extension Circular. Fayetteville, Arkansas: University of Arkansas, College of Agriculture and Experiment Station, 1909.
Lua MLA (8ú heag.)Extension Circular. University of Arkansas, College of Agriculture and Experiment Station, 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.