Context: Vernacular architecture became increasingly ornamental. House builders could use current architectural design in their work by combining features found in pattern books and architectural journals.

Question: What kind of books did housebuilders use?
Answer: pattern books and architectural journals

Question: What type of design did these texts allow the builders to incorporate?
Answer: current architectural design

Question: What kind of books did housebuilders reject?
Answer: Unanswerable

Question: What type of design did these texts allow the builders to reject?
Answer: Unanswerable