00621cam a22002171a 4500001001300000003000400013005001700017008004100034010001700075035001900092040001800111042001200129050001400141100003400155245003800189260004200227300002100269500005800290500002800348504002700376agr50000062 DLC20260227111012.0830407s1949    enk      b    000 0 eng    aagr50000062   a(OCoLC)9386067  aDLCcICJdDLC  apremarc00aS661b.B61 aBlackburn, John Stead,d1882-10aOrganic husbandry :ba symposium.  aLondon :bThe Biotechnic Press, 1949.  a160 p. ;c23 cm.  a"Compiled and issued by John S. Blackburn."-- p. 160.  aImprint stamped on t.p.  aBibliography: 149-160.