Best encyclopedic + scholarly knowledge sources by Citation Discipline

Same 15 sources, re-sorted by Citation Discipline only — different signal than the composite Index. The leader changes: Wikipedia (English) takes the top position at A+ · 96.

1. 1
   Wikipedia (English)en.wikipedia.org↑1

   Crowd-edited encyclopedia with ~7M articles and per-article inline citation discipline.

   Discipline A+ · 96·Index A · 94·Reference
   A+·96
2. 2
   PubMedpubmed.ncbi.nlm.nih.gov↑1

   U.S. National Library of Medicine literature index covering ~36M biomedical citations.

   Discipline A+ · 96·Index A · 94·Academic
   A+·96
3. 3
   CERNhome.cern↑2

   European Organization for Nuclear Research; primary source for particle physics + experimental high-energy physics.

   Discipline A+ · 96·Index A · 92·Academic
   A+·96
4. 4
   PNASpnas.org↑2

   Proceedings of the National Academy of Sciences — multidisciplinary peer-reviewed journal since 1914.

   Discipline A+ · 96·Index A · 92·Academic
   A+·96
5. 5
   Cellcell.com↑3

   Top biology journal since 1974, published by Elsevier (Cell Press); the default citation in molecular biology.

   Discipline A+ · 96·Index A · 89·Academic
   A+·96
6. 6
   Stanford Encyclopedia of Philosophyplato.stanford.edu↑3

   Peer-reviewed philosophy encyclopedia since 1995; gold-standard philosophy reference.

   Discipline A+ · 96·Index A · 89·Reference
   A+·96
7. 7
   Cochrane Librarycochranelibrary.com↑4

   Gold-standard systematic-review database for medical evidence since 1993.

   Discipline A+ · 96·Index A · 87·Academic
   A+·96
8. 8
   Association for Computing Machinerydl.acm.org↑7

   Premier U.S. computing society; ACM Digital Library indexes peer-reviewed CS publications.

   Discipline A+ · 96·Index A · 85·Academic
   A+·96
9. 9
   Naturenature.com↑1

   Peer-reviewed science journal with rigorous methodology disclosure and open-data trends.

   Discipline A+ · 95·Index A · 87·Academic
   A+·95
10. 10
    Sciencescience.org↑2

    Peer-reviewed multidisciplinary journal of AAAS; one of the two flagship general-science venues.

    Discipline A+ · 95·Index A · 86·Academic
    A+·95
11. 11
    DOI (CrossRef Resolver)doi.org↓10

    International standard identifier resolver for academic citations (~150M+ DOIs).

    Discipline A · 92·Index A+ · 95·Academic
    A·92
12. 12
    MDN Web Docsdeveloper.mozilla.org↓8

    Mozilla-stewarded web-platform reference since 2005; default citation for HTML, CSS, JS, Web APIs.

    Discipline A · 92·Index A · 93·Reference
    A·92
13. 13
    Encyclopædia Britannicabritannica.com

    Editor-supervised encyclopedia with named contributors + editorial-board oversight; complement to Wikipedia's crowd-edited model.

    Discipline A · 92·Index A · 85·Reference
    A·92
14. 14
    National Bureau of Economic Researchnber.org

    U.S. economic research nonprofit; working-paper series + business-cycle dating standards.

    Discipline A · 92·Index A · 85·Academic
    A·92
15. 15
    arXivarxiv.org↓8

    Open-access preprint server for physics, mathematics, computer science; ~2.4M papers since 1991.

    Discipline B · 78·Index A · 89·Academic
    B·78