Johnson, M. O. (1916). The Spraying of Yellow Pineapple Plants on Manganese Soils with Iron Sulphate Solutions. Hawaii Agricultural Station, Press Bulletin No. 51, December 13, 1916 [2 copies]
"Lafayette Boy Gains Fame As Plant Chemist: Government Bulletin Pays a Tribute to Maxwell O. Johnson in Hawaiian Work, 1929, no publication information available.