Пауэрс Орвилл Марсель (Powers
Orville Marcellus) (1852 – ) – американский автор.
· First lessons in book-keeping – Chicago,
O.M. Powers, 1896 (2-ое изд. – 1900).
· Single entry bookkeeping for the
grammar schools – Chicago, O.M. Powers, 1899.
· Commerce and finance – Chicago, Powers &
Lyons, 1903.
· Theorie of bookkeeping – Chicago, Metropolitan text
book co., c1913.
