Spencerian Key to Practical Penmanship
Spencer, Platt Rogers
oa.letterformarchive.org
1873
lettering manualpenmanship
Neon Signs
Miller, Samuel C.
archive.org
1935
neonlettering manualsign making
Artistic Signs: How to Design and Make Them
Koller, E.L.
digital.library.wisc.edu
1924
sign paintingsign making