On the Library of Congress Research Guides website, find the first relevant resource about the 'Civil War period, 1861-1865' that details military units or rosters. Provide its full title, the name of the author or originating body if available, and the exact text of the external access link.
Navigate to the Library of Congress Research Guides homepage. Locate the search bar and input the query 'Civil War 1861-1865 roster'. Click the search submit button to initiate the search. Once the search results load, identify the first entry that pertains to military units or rosters from the Civil War period. Extract the full title of this resource. Identify and extract the author or originating body associated with this resource, if explicitly stated. Identify and extract the exact text of the external access link or database name for this resource. Do not click the link.
Successfully use the search bar to search for 'Civil War 1861-1865 roster'. Identify 'Wisconsin: Roster of Wisconsin volunteers, War of the Rebellion, 1861 - 1865' as the first relevant resource. State the full title: 'Wisconsin: Roster of Wisconsin volunteers, War of the Rebellion, 1861 - 1865'. State the originating body/publisher as 'Library of Congress' (inferred from domain) or acknowledge that it's not explicitly stated. State the exact text of the external access link/database as 'External A two-volume Civil' and the URL 'https://guides.loc.gov/civil-war-regimental-histories/digital-re...'. Do not click the access link.