Page 727. " She said in Court that she'd have took him single-handed (on account of what she knew concerning him), if he had been Samson. "
The Biblical figure of Samson is famed for his extreme strength. He can be found in the Old Testament Book of Judges.
Page 742. " married to a growling old Scotch Croesus "

Croesus (595 BC - c.547 BC) was an ancient King of Lydia. Because he was famous for his fortune, he is sometimes used to denote any very wealthy person.