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First Ladies of the United States | Semantic Scholar

@inproceedings{Watson2001FirstLO,
  title={First Ladies of the United States},
  author={Robert P. Watson},
  year={2001},
  url={https://api.semanticscholar.org/CorpusID:249333854}
}

This is a very reasonable book that should be read and when the other people must walk around and go outside to get the book in the book store, you can just be by visiting this site and get this book.