Guttman v. Schiller , 23 Ill. 2d 323 ( 1961 )
Anastaplo v. Radford , 14 Ill. 2d 526 ( 1958 )
Hubbard v. Buddemeier , 328 Ill. 76 ( 1927 )
Altemeier v. Harris , 403 Ill. 345 ( 1949 )
Schmitt v. Heinz , 5 Ill. 2d 372 ( 1955 )