For criticism on plays, dramas, and film:

Drama Criticism REF PN 1601 .D59

Drama for Students REF PN 1707 .D72

Critical Survey of Drama REF PN 1625 .C68 2003

Masterplots II Drama Series REF PN 6112.5 .M37

McGraw-Hill Encyclopedia of World Drama REF PN 1625 .M3

If you are searching for poetry criticism:

Poetry Criticism REF PN 1010 .P499

Poetry For Students REF PN1101 .P64 1998

Critical Survey of Poetry REF PN 1111 .C7 1992

Masterplots II Poetry Series REF PN 1110 .M37 2002

If you know when your author lived and worked:

(Antiquity—1399)      Classical and Medieval Literature Criticism REF PN 681.5 .C57

(1400-1799)             Literature Criticism from 1400-1800 REF PN 86.L56

(1800-1899)             Nineteenth Century Literary Criticism REF PN 761.N5

(1900-1959)             Twentieth Century Literary Criticism REF PN 771.G27

(1960—present)        Contemporary Literary Criticism REF PN 771.C59

(Currently living)      Contemporary Authors REF Z 1224.C58

If you are researching short stories:

Short Story Criticism REF PN 3373 .S386

Short Stories for Students REF PN 3373 .S3845 1997

Masterplots II Short Story Series REF PN 3326 .M27 1986

World’s Best Short Stories REF PN 3373 .W76 1989

Historical Dictionary of Horror Cinema  REF PN1995.9.H6 H836 2008

Encyclopedia of Novels into Film  REF PN1997.85 .T54 1998 

The literary filmography: 6,200 adaptations of books, short stories and other nondramatic works  REF Z5784.M9 M87 2006

Film and Television: a Guide to the Reference Literature  REF PN1994 .E47 2006

The Vietnam Experience: a Concise Encyclopedia of American Literature, Songs, and Films  REF DS557.73 .H55 1998

Random Goodies:

Shakespearean Criticism REF PR 2965.S43 1943

Dictionary of Literary Biography REF PS 21.D5185

World Writers in English REF PR 9080.5W67 2004

Dictionary of Irish Literature REF PR 88706.D5 1996

Oxford Companion to Australian Literature REF PR 9600.2 W5

Oxford Companion to Canadian Literature REF PR 91802. .O94 1997

Latina and Latino Voices in Literature  REF PS153.H56 D3 2003