Box 26:
- folder 51: Actors - Biographies
- folder 52: Actors -Miscellaneous
- folder 53: Ade, George
- folder 54: Addresses
- folder 55: Advances and Loans
- folder 56: Advertising
- folder 57: Airline Information
- folder 58: Art Work - By Welles. See also Oversize 19
- folder 59: Art Work - By Others. See also Oversize 20
- folder 60: Automobile File
- folder 61: Awards
- folders 62-68: Biographies and publicity. See also Oversize 21
- folders 69-70: Christmas Lists
- folder 71: Contracts - MCA
- folder 72: Contracts - Newspaper
- folder 73: Contracts - Radio Guest Shots
Box 27:
- folder 1: Contracts - Radio Series
- folder 2: Contracts - Recording
- folder 3: Contracts - Screen
- folder 4: Contracts - Stage
- folder 5: Contracts - Story Properties and Titles
- folder 6: Contracts - William Morris
- folder 7: Contracts - Miscellaneous Personal
- folder 8: Dance
- folder 9: Education
- folder 10: Educational Films
- folder 11: Fabric Samples
- folder 12: Finances - Mercury Productions
- folder 13: Finances - Orson Welles
- folder 14: Finances - Miscellaneous
- folder 15: Foreign Policy Bulletin
- folder 16: Foster Parents' Plan for War Children
- folder 17: Free World
- folder 18: Household Inventories
- folder 19: Insurance
- folder 20: Laage, Barbara
- folder 21: Lectures
- folder 22: Lederer, Mrs. Charles (Virginia Nicholson Welles)
- folder 23: Lehman Engel Singers
- folder 24: Magic
- folder 25: Memberships
- folder 26: Mercury Productions
- folder 27: National Five Arts Award
- folder 28: Passports [for Welles and Rita Hayworth]
- folder 29: PCA-ICC Bulletins
- folders 30-31: Personal
- folder 32: Poetry Submitted
- folder 33: Power of Attorney
- folder 34: Printed
- folder 35: Printed Illustrations. See also Oversize 22
- folder 36: Production Costs
- folder 37: Railway Express Agency
- folder 38: Research
- folder 39: Screen Writers' Guild
- folder 40: Seiderman, Maurice
- folder 41: Shakespeare Fellowship
- folder 42: Soundscriber Discs [RESTRICTED]
- folder 43: Storage Companies
- folder 44: Subscriptions
- folder 45: Texas
- folder 46: Todd School
- folder 47: U.D.A. Congressional Newsletter
- folder 48: White Radio Bill
- folders 49-54: Writings (By Others)
