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  1. Rothstein, S.: ¬The measurement and evaluation of reference service (1964) 10.31
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    Author
    Rothstein, S.
  2. Rothstein, S.: ¬The development of reference services through academic traditions, public library practice and special librarianship (1955) 10.31
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    Author
    Rothstein, S.
  3. Rothstein, S.: ¬The extended library and the dedicated library : a sceptical outsider looks at union catalogues and bibliographic networks (1982) 10.31
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    Rothstein, S.