10 Common Core Essentials : NonfictionHarper Harper Academic, Diane Ravitch, Rachel L. Swarns, Richard Wright - undifferentiated, William Kamkwamba · First published 2013Open the Tome
The myth of the paperless officeAbigail J. Sellen, Richard H. R. Harper · First published 2001Open the Tome
Investigation of the applicability of a functional programming model to fault tolerant parallel processing for knowledge-based systemsRichard Harper · First published 1990Open the Tome
