I have put together groups of fonts that are from different decades or were influenced by that decade as well as designers that designed in the era or designed fonts based off of that era.
Decades
10s http://www.azfonts.net/load_font/alcibiades.html http://www.fontshop.com/fonts/downloads/linotype/arnold_boecklin_std_regular/?affId=98 221 http://www.fontshop.com/fonts/downloads/monotype/artistik_std_regular/?affId=98221 http://www.fontshop.com/fonts/downloads/itc/baylac_std_regular/?affId=98221 http://www.fontshop.com/fonts/downloads/itc/belwe_medium/?affId=98221 http://www.fontshop.com/fonts/downloads/elsnerflake/belwe_medium_ot/?affId=98221 http://www.fontshop.com/fonts/downloads/profonts/profonts_edda_pro/?affId=98221 http://www.fontshop.com/fonts/downloads/creative_alliance/liberty_script_std_regular/?affI d=98221 http://www.fontshop.com/fonts/downloads/elsnerflake/tarragon_ot/?affId=98221 http://www.fontshop.com/fonts/downloads/device_fonts/yolanda_pro_countess/?affId=98 221
20s http://www.myfonts.com/fonts/linotype/futura/ http://www.myfonts.com/fonts/bitstream/cooper/ http://www.fontshop.com/fonts/downloads/itc/dolmen/?affId=98221 http://www.myfonts.com/fonts/mti/gill-sans/ http://www.myfonts.com/fonts/redrooster/hess-old-style-rr/ http://www.myfonts.com/fonts/letraset/premier/ http://www.myfonts.com/fonts/linotype/parisian/ http://www.fontshop.com/fonts/downloads/elsnerflake/premier_regular_ot/?affId=98221 http://www.myfonts.com/fonts/letraset/jazz/ http://www.myfonts.com/fonts/redrooster/hess-old-style-rr/
30s http://www.myfonts.com/fonts/spiecegraphics/adonis-old-style-sg/ http://www.myfonts.com/fonts/spiecegraphics/ark-monogram-sg/ http://www.myfonts.com/fonts/spiecegraphics/aviator-sg/ http://www.myfonts.com/fonts/redrooster/cameo-rr/ http://www.myfonts.com/fonts/nicksfonts/fifth-avenue-salon-nf/ http://www.myfonts.com/fonts/spiecegraphics/grand-slam-sg/ http://www.myfonts.com/fonts/redrooster/inverness-rr/