Grading the systemsRichard W. Cross, Theodor Rebarber, Justin Torres · First published 2004Open the Tome
Qumrân cave 4.John Marco Allegro, Frank Moore Cross, Donald W. Parry, Eugene C. Ulrich, Richard J. Saley · First published 1968Open the Tome
A biometrical study of the relative degree of purity of race of the Tasmanian, Australian, and PapuanRichard James Arthur Berry, A. W. D. Robertson, K. Stuart Cross · First published 1911Open the Tome
