00338nam a2200121 a 450000500170000000800410001705000280005824500410008626000330012730000180016050000100017865000280018820140412111333.0050419s19uu    xx            00    eng d  aTR(GS 649.5bTh383 1985  aCommunity helpers :bthematic units.  aKansas :bNoah's ark,c1985.  a282 p. ; ill.  aXerox  aCommunitiesxActivities