Favorite this☆ Willis Block building located on Jefferson Description: Horse-drawn vehicles and pedestrians in street in front of Willis Block building on Jefferson Avenue. Recorded in glass negative ledger: "D/Streets-Jefferson, West." Details Resource ID: EB02e013 Subject: Business establishments--Michigan--Detroit Horse-drawn vehicles--Michigan--Detroit Streets--Michigan--Detroit Glass negatives Date Issued: Unknown year Format: 1 negative : glass ; 5 x 3.25 in. Member of: Burton Historical Collection Negative Number: BHC glass neg. no. 1499 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.