John Thomas Howell botanical collecting notebookJohn Thomas Howell · First published 1923Open the Tome
The plant genus Polygala in the Galápagos IslandsJohn Thomas Howell · First published 1968Open the Tome
The California floral province and its endemic generaJohn Thomas Howell · First published 1957Open the Tome
A Complete collection of state trials and proceedings for high treason and other crimes and misdemeanors from the earliest period to the present timeJohn Graham, Thomas Bayly Howell · First published 1812Open the Tome
