These are from a single estate and are described similarly:  clean and solidly bound, but in a few the original owner noted who he/she went with and when on the back of the bill.  No further markings, no tears, GREAT ADVERTISING.  Note:  The bonus is for the Carnegie Hall playbill - description below.

These include:

Toys in the Attic at The Hudson Theatre in 1961.  Starring Maureen Stapleton and Robert Loggia.  No ink marking on back cover.

A Taste of Honey at Lyceum Theatre in 1961.  Starring Joan Plowright and Angela Lansbury.  No ink marking on back cover.

The Best Man at Morosco Theatre in 1960.  Starring Melvyn Douglas and Frank Lovejoy.  Written by Gore Vidal.  Has ink marking on back cover.

The Tenth Man at The Booth Theatre in 1960.  Starring Lou Jacobi and Jack Gilford.  Has ink marking on back cover.

The City Center of Music and Drama, Inc, for plays in November 1961.  Unclear which performance this was for as 3 were listed including Rigoletto, Carmen, and La Boheme.  Has ink marking on back cover.

Greenwillow at The Alvin Theatre in 1960.  Starring  Anthony Perkins and Cecil Kellaway.  Has ink marking on back cover.

Happy Hunting at the Majestic Theatre in 1957.  Starring Ethel Merman and Fernando Lamas.  No ink marking on back cover.

Hedda Gabler at the Fourth Street Theatre in 1961.  Starring Anne Meacham and Mark Lenard (of Star Trek fame).  Has ink marking on back jacket.

Indrani and Her Ensemble of Indian Dancers and Musicians at the Barbizon Plaza Theatre (can't find a year; dates in August identified on cover).  Has ink marking on back cover.

Larger folded program for The Royal Ballet of UK performing Giselle at the Metropolitan Opera House in 1960.  Has ink marking on back cover.

ER