Levers are free to substitute for doorknobs. You can even have a doorknob on one side and a lever on the other!
For doors with standard circular cutouts and either 2 3/8" or 2 3/4" backset
Ships out within two days
Suitable for exterior use on outside doors as well as interior use
Deadbolts available with either keys on both sides or key and thumb latch
Might be able to work with mortised doors. call for consult.
Historic preservation links
arts and crafts rugs
cast iron heat registers
cold air returns
craftsman vent covers
eggcrate heat register
return air grille