How Humans EvolvedBoyd, Robert, Joan B. Silk · First published 1997 · Latest edition 2018Open the Tome
An Ecotourist's Guide to the Everglades and the Florida KeysRobert Silk · First published 2016Open the Tome
L'aventure humaine: Des molécules à la cultureRobert Boyd - undifferentiated, Joan Silk · First published 2004Open the Tome
Reagan, the man, the PresidentHedrick Smith, Adam Clymer, Leonard Silk, Robert Lindsey, Richard Burt · First published 1980Open the Tome
