• Ma Perkins
• Mac Baldy, The Tall Shooter
• Macabre
• Madame Ernestine Schumann-Heink
• Magic Island, The
• Magic Key, The
• Magnificent Montague, The
• Mail Call
• Main Street Music Hall
• Maisie, The Adventures of
• Majestic Theater Of The Air
• Majestic's Master of Mystery
• Major Bowes' Original Amateur Hour
• Major Keen - Dossier On Demetrius (AU)
• Major Keen - Twenty-Six Hours (AU)
• Major Keen - Two Roads to Samarra (AU)
• Make Believe Ballroom
• Makers Of History
• Making History (BBC)
• Mama Bloom's Brood
• Man Behind The Gun
• Man Called X, The
• Man From Homicide, The
• Man Hunt
• Man In The Iron Mask
• Man Named Jordan, A
• Man of Soup
• Man Your Battle Stations
• Mandrake The Magician
• Manhattan
• Manhattan Melodies
• Manhattan Merry-Go-Round
• Manhunt
• March of Dimes Collection
• March Of Time, The
• Marco Polo
• Marine Story
• Mario Lanza Show, The
• Mark Trail
• Marriage Lines
• Marriage For Two
• Marriage, The
• Martha Meade Society Program
• Martha White Time
• Martin & Lewis Show
• Martin Agronsky News
• Martin Block Show, The
• Martin Chuzzlewit - Under Copyright Protection
• Mary Foster, Editors Daughter
• Mary Lee Taylor Show
• Mary Margaret McBride
• Mary Pickford and Company
• Masterpiece Radio Theatre
• Master's India
• Masters of Mystery - (ABC Mysterytime)
• Masterson Inheritance, The
• Matinee Theater
• Matthew Slade, Private Investigator
• Matty Malneck and Orchestra
• Maximum Credible Accident
• Maxine Gray Entertains
• Maxwell House Coffee Time
• Maxwell House Good News
• Mayor of the Town
• McGarry And His Mouse
• McLevy
• Meaning Of America, The
• Medical File
• Medical Milestones
• Medicine USA
• Meet Corliss Archer
• Meet Me At Parky's
• Meet Millie
• Meet Miss Sherlock
• Meet Mr. McNutley
• Meet the Meeks
• Meet the Menjous
• Meet the Press
• Mel Blanc Show, The
• Melody and Madness
• Melodies And Memories
• Melody Hour
• Melody Promenade
• Melody Puzzles
• Melody Roundup
• Melody Tours
• Men Against Death
• Men At Sea
• Men from the Ministry (SA), The
• Men From The Ministry, The
• Men In The AAF
• Men Of Vision
• Men Who Made America
• Mennen Shave Time With Lew Parker
• Mercer McLeod, The Man With The Story
• Mercury Summer Theater
• Mercury Theater
• Mercury Theater - Lady Esther Presents Orson Welles
• Meredith Willson's Musical Revue
• Mesa Memories
• Metropolitan Opera Auditions
• MGM Movie Club
• MGM Movie Previews
• MGM Musical Comedy Theater of the Air
• MGM Theater of the Air, The
• Michael Shayne
• Mickey Mouse Theater of the Air, The
• Midnight
• Midnight Cab
• Midnighters Club
• Mildred Bailey Show, The
• Milton Berle Show, The
• Mind Your Manners
• Mind's Eye, The
• Mindwebs
• Miracles and Melodies
• Mirror of Life
• Mirth Parade, The
• Mis-Adventures of Si and Elmer, The
• Miss Information
• Missus Goes A'Shoping
• Mitch Miller Show
• MJB Demitasse Revue
• Modern Romances
• Molle' Mystery Theater
• Molly And The Captian
• Monticello Party Line
• Monitor
• Moon Dreams
• Moon over Africa
• Moon Over Morocco - Copyrighted
• Moon River
• Moonstone, The
• Morey Amsterdam Show, The
• Mormon Tabernacle Choir, The
• Morning In Manhattan
• Morning Matinee
• Morning News Roundup
• Morning Special
• Morris H. Siegel, The Insurance Counselor
• Movie Parade
• Movietown Radio Theater
• Mr Ace and Jane
• Mr and Mrs. Blandings
• Mr Chameleon
• Mr District Attorney
• Mr Keen, Tracer of Lost Persons
• Mr President
• Mr. and Mrs. North
• Mr. Moto
• Mrs. Tuckers Smile Program
• Much Binding In The Marsh (BBC) - Copyrighted
• Murder and Mr Chase
• Murder at Midnight
• Murder by Experts
• Murder Clinic
• Murder Most Foul - Copyrighted
• Music America Loves Best
• Music And The Muse
• Music As You Like It
• Music Depreciation
• Music Fights Infantile Paralysis
• Music For America
• Music For Millions
• Music From The Heart Of America
• Music From The House Of Squibb
• Music Of The New World
• Music On Deck
• Music With The Accent On Romance
• Music With The Hormel Girls
• Musical Comedy Theatre, The
• Musical Moments
• Musicana
• Musings and Music
• Mutual Radio Theater
• My Favorite Husband
• My Friend Irma
• My Little Margie
• My Name is Adam Kain
• My Sainted Aunt
• My Son Jeep
• Myrt and Marge
• M ysterious Circumstances
• Mysterious Traveler, The
• Mystery Classics - (ABC Mysterytime)
• Mystery House
• Mystery in the Air (1945)
• Mystery in the Air (1947 - Peter Lorre)
• Mystery is My Hobby
• Mystery Playhouse (AFRS)
• Mystery Project, The
• Mystery Theater (ABC)
• Mystery Theater (CBC)
• Mystery Theatre (CBS)