Proofhouse.com has a store brand chart.
AnswerJ.C Higgins Model 29 was manufactured for Sears by Hi Standard:Not all J C Higgins were made by Hi Standard, but this model was.Marlin, Winchester, Browning and Savage also made guns for Sears.
Try e-gunparts.com
Hi Standard model 499m
No, The JC Higgins model 29 is just like the model 31 without a sling. the difference between the model 30 and model 31 is the bolt is on the left on the model 30 and on the right on the models 31 and 29. Models 30 and 31 both had a retractable sling.
Stimson High standard Page on the web
10-100 USD
Hi Standard made the Model 20 J.C. Higgins for Sears
Try the Kelly Bluebook website
depending on condition 100 bucks
22 long rifle only
e gun parts.com
http://www.histandard.info/PDF/Sears%20Rifles.pdf