no. 1
On Grothendieck universes
Compositio Mathematica, Tome 21 (1969) no. 1, pp. 1-3 
@article{CM_1969__21_1_1_0,
     author = {Williams, N. H.},
     title = {On {Grothendieck} universes},
     journal = {Compositio Mathematica},
     pages = {1--3},
     year = {1969},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {21},
     number = {1},
     mrnumber = {244035},
     zbl = {0175.00701},
     language = {en},
     url = {https://www.numdam.org/item/CM_1969__21_1_1_0/}
}
TY  - JOUR
AU  - Williams, N. H.
TI  - On Grothendieck universes
JO  - Compositio Mathematica
PY  - 1969
SP  - 1
EP  - 3
VL  - 21
IS  - 1
PB  - Wolters-Noordhoff Publishing
UR  - https://www.numdam.org/item/CM_1969__21_1_1_0/
LA  - en
ID  - CM_1969__21_1_1_0
ER  - 
%0 Journal Article
%A Williams, N. H.
%T On Grothendieck universes
%J Compositio Mathematica
%D 1969
%P 1-3
%V 21
%N 1
%I Wolters-Noordhoff Publishing
%U https://www.numdam.org/item/CM_1969__21_1_1_0/
%G en
%F CM_1969__21_1_1_0
Williams, N. H. On Grothendieck universes. Compositio Mathematica, Tome 21 (1969) no. 1, pp. 1-3. https://www.numdam.org/item/CM_1969__21_1_1_0/

P. Gabriel [1] Des catégories abéliennes. Bulletin de la Sociéte Mathématique de France, Vol. 90 (1962), pp. 324-448. | Zbl | MR | Numdam

K. Gödel [2] The consistency of the continuum hypothesis... Princeton, 1940. | Zbl | MR

A.H. Kruse [3] Grothendieck universes and the super-complete models of Shepherdson. Compositio Mathematica, Vol.17 (1965), pp. 96-101. | Zbl | MR | Numdam

J. Von Neumann, [4] Über eine Widerspruchsfreiheitsfrage in der axiomatischen Mengenlehre. Journal für die reine und angewandte Mathematik, Vol. 160 (1929), pp. 227-241. J.C. Shepherdson[5] Inner models for set theory - part II. The Journal of Symbolic Logic, Vol. 17 (1952), pp. 225-237.

A. Tarski [6] Über unerreichbare Kardinalzahlen. Fundamenta Mathematicae, Vol. 30 (1938), pp. 68 - 89. | Zbl | JFM