5 1 50 Roof, Wade Clark Additional Author mixed material HarperSanFransisco HarperSanFransisco 1993 Generation_of_Seekers.jpg Roof, Wade Clark Additional Author mixed material 0691016593 Princeton University Press Princeton University Press 1999 71T%2BWNwbnvL._AC_UL320_.jpg Roof, Wade Clark Additional Author mixed material Rutgers University Press Rutgers University Press 1987 Roof, Wade Clark Additional Author mixed material Rutgers University Press Rutgers University Press 1992 Roof, Wade Clark Additional Author mixed material HarperSanFrancisco HarperSanFrancisco 1993