On quotients of $L_p$ which are quotients of ${\ell }_p$

Johnson, W. B.

Compositio Mathematica, Volume 34 (1977) p. 69-89

Subspaces of $L_p$ which embed into $l_p$

Johnson, W. B.; Odell, E.

Compositio Mathematica, Volume 28 (1974) p. 37-49

A uniformly convex Banach space which contains no $l_p$

Figiel, T.; Johnson, W. B.

Compositio Mathematica, Volume 29 (1974) p. 179-190