Dating References:

TimeTestedTools

Rexmills type Study
Plane dating flow chart.. http://primeshop.com/access/woodwork/stanleyplane/DataMisc.htm
http://homepages.sover.net/~nichael/nlc-wood/stanref-num.html
The MegaChart http://primeshop.com/access/woodwork/stanleyplane/
Tooltrip.com Stanley bench plane study.  http://www.tooltrip.com/tooltrip9/stanley/stan-bpl/bailey-types.htm
Metal Router Type Study Page  by Lars Larson  Metal Router Type Study Page
hansbrunnertools.com Stanley by numbers http://www.hansbrunnertools.com/Stanley%20by%20numbers/Dating%20Bench%20Planes.htm
oldtooluser.com (this includes bench planes, Marking Gages Type Studies, Metal Router Type Studies, Chisels, and more)

Record hand plane dating.
http://www.recordhandplanes.com/dating.html

Typing the #45
tooltrip  #45 Abbreviated Type Study Typing Stanley #45s

oldtooluser Stanley No. 45 Combination Plane, or Traut’s Patent Adjustable Beading, Rabbet & Slitting Plane http://www.oldtooluser.com/typestudy/stanno45combplanetypestudy.htm

Typing (dating) Bedrock includes Keen Kutter
antique-used-tools.com  http://www.antique-used-tools.com/brtypes.htm

Typing (dating) Millers Falls
http://homepage.mac.com/galoot_9/MF_type1.html
http://oldtoolheaven.com/bench/benchtypes.htm

Dating Block Planes
http://virginiatoolworks.wordpress.com/tools/stanley-planes/date-your-block-plane-type-study/

Dating a #113
http://www.oldtooluser.com/TypeStudy/StanNo113cpTypestudy.htm