Bauer, Nancy /identities/lccn-no98-124658 lccn-no98-124658 no98-124658 The development of American economic life/ Robert L. Heilbroner with Aaron Singer 1978-2008 personal worldcat.org-1/identities/findurl_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:identity&rft.namelast=Bauer,+Nancy