A masculine bias of the theatrical canon makes the latter years of actors and actresses very different. A male star knows he’ll be thought of for King Lear or John Gabriel Borkman, while even the best women have to think of ways of keeping their CVs starry. That’s one reason why Harriet Walter and Maxine Peake recently took the title roles in Henry IV and Hamlet. But, despite these difficulties, three great roles for women have just been shown in close proximity.Stevie (to 18 April) represents one solution to the smaller female repertoire – searching the library shelves. Glenda Jackson led the 1977 premiere of Hugh Whitemore’s bio-drama about the poet Stevie Smith (1902-71) and now Zoë Wanamaker has taken over for a revival that has come to London from Chiches