Look at the examples below. Are they scholarly or not -- and how do you know?
Oxford Bibliographies offers peer-reviewed annotated bibliographies on specific topics in a growing range of subject areas. There are at least 50 specific topical bibliographies in each subject area. Each of these features an introduction to the topic. Bibliographies are browsable by subject area and are keyword searchable.
In History, books (also called academic monographs) are vital to scholarly conversation and historical research as they offer in-depth exploration, authoritative scholarship, and the preservation of knowledge. History relies on books more than many other disciplines due to its emphasis on primary sources and in-depth analysis. Books provide comprehensive context, peer-reviewed scholarship, and enduring contributions, essential for preserving historical knowledge and enabling historians to interpret and analyze the past in detail.
Any of these subjects can be combined in a LibrarySearch Advanced Search with Subject: sources OR correspondence OR narratives to locate primary sources in published form.
The same subject headings work in WorldCat, HathiTrust, and Handbook of Latin American Studies, which will expand your search beyond Colby, Bowdoin and Bates.