Psychology, 6/E and Free A&B Quick Guide to the Internet for Psychology, 1998 Ed. Value PackLefton · First published 1999Open the Tome
Psychology, 6/E and Free Practice Tests and Free A&B Quick Guide to the Internet for Psychology, 1998 Ed. Value PackLefton · First published 1999Open the Tome
Trinomials with Galois group contained in the alternating groupPhyllis Lefton · First published 1975Open the Tome
