1. Bibliography
    List of works with bibliographic references, brought together for some specific reason, and ordered in some way.
    May occasionally include short summaries with every item.
  2. Reference work
    List of information on specific things. E.g. dictionaries are reference works for words, encyclopedias for persons/notions, etc. Will usually have ‘further reading’ lists.
  3. Academic (e-)book
    1. Text editions
      • Academic editions of textual sources. Multiple texts from the same author are often published as ‘Collected Works’ (e.g., Opera Omnia or Oeuvres Complètes).
      • Diplomatic text edition: Represents the original text in detail.
      • Critical text edition: Usually have an introduction which describes how the text is transmitted. In the critical apparatus textual variants (variant readings) are listed, e.g. from different manuscripts or from older editions. A source apparatus refers to sources that the author used and also lists parallel passages in other works by the author.
      • Critical text editions may also contain translations or commentary.
    2. Translations
      Translation of a work. Usually has an introduction that explains the reasoning behind the principle of the translations (literal or free way? How have new words or philosophical terms been translated?). May occasionally contain a text edition (in the original language) or commentary.
    3. Handbooks
      Brief overview of the state of affairs in a topic, often called “companions”/“handbooks”/“introductions”. Sometimes only an analytical or continental perspective.
    4. Historical overviews
      Offers a brief overview of the history of a subject. “Routledge History of Philosophy”
    5. Monographs
      A detailed study of one person or one specific subject within a discipline, aims to provide a holistic perspective on it.
    6. Anthologies
      A collection of (parts of) texts that are assembled either based on a common author or common (specific) subject, usually ones that have gained authority in a field of study.
    7. Compilations or collections
      Also a collection based on subject or author, but of articles, and will always have been edited by someone.
      Collected essays or collected papers: contain important articles which a renowned academic has published during his/her career.
      Proceedings: with articles based on lectures in an academic conference
      Liber amicorum: on the occasion of a birthday or retirement, with articles written by colleagues
  4. (E-)Journal
    Periodic publication (weekly, monthly, etc.) that contains brief, specific studies of a subject within a certain discipline. Sometimes book reviews, conference reports, debates.
    Each article written by different authors, usually about different topics (with the exception of special issues, which center on a specific theme).
    A volume will consist of different issues.
  5. Theses
    Written by students under the supervision of professors or instructors specialized in the field of study the thesis is in, in order to complete a certain study. Can be a BA paper, MA thesis, doctoral thesis or dissertation. You need the author’s permission to use these as a source.
  6. Catalogue
    Contains a description (bibliographic reference) of books, journals and/or other materials, and where to find them (online or in a physical location).
    A catalogue usually does not contain the titles of journal articles, only the titles of the journals themselves.
  7. Database
    Contains descriptions (bibliographic reference) of academic publications (books, journal articles, chapters in books, …).
    1. Bibliographic database
      Will contain bibliographic references, sometimes a summary/abstract and keywords. Will sometimes link to the full text elsewhere. E.g. Limo, Philosopher’s Index, PhilPapers, etc.
    2. Full text database
      Will contain bibliographic references, and the full text of works, which will often be fully searchable. E.g. JSTOR, Oxford Handbooks Online.
    3. Citation database
      Will contain bibliographic references, and show the bibliographies/reference lists of articles contained in it. E.g. web of science, google scholar, etc. Shows what publications refer to a work and what that work refers to.
  8. News sites and digital newspaper archives
    Contain digital news sources.
  9. Search engines
    Automatically indexes web documents, and make (publicly accessible) pages findable on the internet
  10. Social sites for academics
    Academic social network sites (academia.edu, ResearchGate) / Online reference sharing sites (Zotero).