000			00404nam a2200145Ia 4500
008			130223s9999 xx 000 0 und d
100			_aSchlebecker, J.T.
245			_aAgricultrual emplements and machine in the collection of the national museum his
260			_aWashington
260			_c1972
300			_a57 p.
440			_aNo. 17; Smithsonian Studies in
901			_pS21594
942			_cB _2udc
999			_c115317 _d115317