Advising Student Groups and OrganizationsNorbert W. Dunkel, John H. Schuh, Nancy E. Chrystal-Green · First published 2014Open the Tome
Phytochemical diversityStephen Wrigley, S. Wrigley, M. Hayes, R. Thomas, E. Chrystal · First published 1997Open the Tome
Royalty and commonersConstance M. Wilson, Chrystal Stillings Smith, George Vinal Smith · First published 1980Open the Tome
A model of the non-industrial public sector in Britain 1955-1978K. Alec Chrystal · First published 1979Open the Tome