What does "after" mean?

Context:
THE
COMPLETE WORKS
of
WILLIAM SHAKESPEARE

WITH AN ESSAY ON SHAPESKARE AND BACON

BY SIR HENRY IRVING

AND A BIOGRAPHICAL INTRODUCTION

ILLUSTRATED WITH 68 PHOTO-ENGRAVINGS AND
20 COLOURED PICTURES

AFTER L. ALMA-TADEMA, MILLAIS, LANDSEER,ETC.

COLLINS' CLEAR-TYPE PRESS

LONDON AND GLASGOW