Worldcat, the library's catalog, searches not just Preus Library's resources, but also those of several thousand libraries around the world. To limit to just what we have access to here at Luther, from your search results, use the Held By Library filter and select Luther College.
If a score exists in our collection that matches your search, there will be a "Format" type option on the left to limit to Musical Score.
If music recordings exist in our collection that match your search, there will be a "Format" type option to the left to limit to Music Recording. Limit further by selecting what type of recording. eMusic, for example, pulls from our subscriptions to online music.
Under "Content Type," select "Peer Reviewed" to limit to articles which have been reviewed by peers in the field before accepted for publication.
If a biography exists in our collection that matches your search, there will be a "Content Type" option on the left to limit to Biography.
Biographies can be as short as a paragraph or as long as a multi-volume series of books. Some will cover the entire life of their subject, while others will focus on a single part of their life. Biographers will use different sources to write biographies, such as diaries, letters, or interviews.
You can the Preus Library catalog, WorldCat, to search for biographies. Some will be available as print books, others as e-books, and some as both.