Walker, Charls E. (Charls Edward) 1923-2015 Walker, Charls 4858 2016-08-30 10:53:18 2015-08-25 13:59:03 naf author https://fraser.stlouisfed.org/author/walker-charls-e-charls-edward-1923-2015 https://fraser.stlouisfed.org/api/author/4858