Wazir Agha Library, UOS Search for 'au:Clark Roger'

How it's done:

By Adler, Emily Stier.. Colonia Polanco: Thomas wadsworth, 2003 . xvi, 575p. , Includes index. 24 cm..

By Adler, Emily Stier.. Colonia Polanco: Thomas wadsworth, 2003 . xvi, 575p. , Includes index. 24 cm..

By Adler, Emily Stier.. Belmont, CA : Thomson/Wadsworth, 2008 . xvii, 525 p. : 24 cm.. 9780495093381 (pbk.) | 0495093386 (pbk.)

By Adler, Emily Stier.. USA : WADSWORTH Cengage Learning, 2011 . xix, 516 p. : , Includes index. 24 cm.. 9780840032386 | 0840032382