Lasdon v. Hallihan , 377 Ill. 187 ( 1941 )
Roberts Optical Co. v. Department of Registration & Education , 4 Ill. 2d 290 ( 1954 )
People Ex Rel. Chicago Dental Society v. A.A.A. Dental Laboratories, Inc. , 8 Ill. 2d 330 ( 1956 )
Williamson v. Lee Optical of Oklahoma, Inc. , 75 S. Ct. 461 ( 1955 )
Winberry v. Hallihan , 361 Ill. 121 ( 1935 )
The People v. Dubin , 367 Ill. 229 ( 1937 )
Semler v. Oregon State Board of Dental Examiners , 55 S. Ct. 570 ( 1935 )