Walker, William M., 1947-

http://www.worldcat.org/oclc/26598307

http://viaf.org/viaf/113058971

http://www.worldcat.org/oclc/6370150

http://www.worldcat.org/oclc/81125300

http://www.worldcat.org/oclc/39142668

http://www.worldcat.org/oclc/26337129

http://www.worldcat.org/oclc/32960143

http://www.worldcat.org/oclc/9998323

http://www.worldcat.org/oclc/75384648

http://www.worldcat.org/oclc/25215844

http://www.worldcat.org/oclc/628894196

http://www.worldcat.org/oclc/122397644

http://www.worldcat.org/oclc/626872436

http://www.worldcat.org/oclc/122569549

http://www.worldcat.org/oclc/626865258

http://www.worldcat.org/oclc/42056871

http://www.worldcat.org/oclc/270586344

http://www.worldcat.org/oclc/26561446

http://www.worldcat.org/oclc/754863404

http://www.worldcat.org/oclc/26150332

http://www.worldcat.org/oclc/20460604

/047-001670813

http://www.worldcat.org/oclc/313869449

http://www.worldcat.org/oclc/416535750

http://www.worldcat.org/oclc/122615776

http://www.worldcat.org/oclc/6718166