@book{the+world+039+s+columbian+water+commerce+congress+chicago+1893+the+manchester+ship+canal,
    author = {Helm, Elijah},
    title = {The World's Columbian Water Commerce Congress, Chicago, 1893 : The Manchester ship canal},
    address = {Boston},
    publisher = {Damrell & Upham},
    date = {1893}
}