business card vs papers

business card

noun
  • A small card with a person's name and professional information (such as occupation, business phone number, e-mail address, etc.). 

papers

noun
  • Official documents or identification, as a passport. 

  • cigarette papers 

  • A collection of documents, unpublished writing or correspondence in an archive or library collection. 

  • He lost his papers while travelling and had a hard time getting home. 

How often have the words business card and papers occurred in a corpus of books? (source: Google Ngram Viewer )