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Pietris, M.K.D.: LCSH update (1988)
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Pietris, M.K.D.: Library of Congress Subject Headings : past imperfect, future indicative (1987)
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Pietris, M.K.D.; Berman, S.: LCSH: an exchange between Mary Kay Pietris and Sandy Berman (1981)
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Pietris, M.K.D.: Characteristics of LC Subject Headings that should be taken into account when designing on-line catalogues (1987)
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Pietris, M.K.D.: New manual, not code, needed (1987)
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