00686cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035002000092040002300112042001200135050001700147060002300164082001000187100003300197245011700230260005400347300002300401650001500424999001700439ss 48000004 DLC20260227112751.0811121s1947    xx a          000 0 eng    ass 48000004   a(OCoLC)14663610  aDLCcDNLMdTUdDLC  apremarc00aRA408.B5bH80 aWW 276bH965c 1947  a617.71 aHurlin, Ralph Gibney,d1888-10aCauses of blindness among recipients of aid to the blind,cby Ralph G. Hurlin, Sadie Saffian [and] Carl E. Rice.  a[Washington]bBureau of Public Assistancec[1947]  aviii, 131 p.bill. 0aBlindness.  c90905d90905