PH1977:0079:015
published 1891
PH1977:0079:030
published 1891
PH1977:0079:031
published 1891
PH1977:0079:039
published 1891
PH1977:0079:044
published 1891
PH1977:0079:052
published 1891
PH1977:0079:062
published 1891
PH1979:0227:004
Le Rond. Les Travaux Publics de l'Amerique Du Nord. Pont de Poughkeepsie.
Actions:
PH1979:0227:004
PH1978:0171.01:009
published 1893
PH1978:0019.03:004
published 1871-1875