00354nam a2200133 a 450000500170000002000160001708200150003310000250004824500340007326000400010730000240014749000300017163000190020120251202164200.0  a08769245010  a814.8bTHO  aThoreau, Henry David  aWalden and civil disobedience  aDelhibPrentice-Hall of Indiac1986  a424p.b22cm   .cPB  aA notron critical edition  aEnglish essays