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A library's web site is a virtual “front door” to its services and collections. Libraries can use their “Ask a Librarian” pages to promote reference services and to inform patrons about the different options available. Much variation is found in the naming of those pages and the number and type of reference contact options they include. This article reports the results of an examination of the reference assistance pages of libraries that are members of the Association of Research Libraries. In particular, the study attempted to determine whether virtual modes of reference service are being promoted at the expense of traditional options.  相似文献   
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Librarians and archivists can gain insight into the disciplinary culture of historians, and history doctoral students in particular, by examining the acknowledgment sections of these students’ doctoral dissertations. This paper is an exploratory analysis of the 219 history dissertations written at the University of Oklahoma between 1930 and 2005.  相似文献   
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