* 48/xx/xx    1 The First Letter
* 48/xx/xx    2 Insurance Swindle Adventure
* 48/xx/xx    3 Blackmail Is Murder
* 48/xx/xx    4 Actor's Alibi
* 48/xx/xx    5 Extra! Extra!
* 48/xx/xx    6 Shanghaied
* 48/xx/xx    7 Short Assignment
* 48/xx/xx    8 Double Mothers
* 48/xx/xx    9 Book of Poems
* 48/xx/xx   10 The Great Torino
* 48/xx/xx   11 Suicide or Murder
* 48/xx/xx   12 Triple Cross
* 48/xx/xx   13 Damsel in Distress
* 48/xx/xx   14 Diamond in the Sky
* 48/xx/xx   15 Double Right Cross
* 48/xx/xx   16 Look Pleasant, Please
* 48/xx/xx   17 The Haunted Artist
* 48/xx/xx   18 The Sad Night
* 48/xx/xx   19 Hot Box
* 48/xx/xx   20 The Better Man
* 48/xx/xx   21 The Professor and the Puzzle
* 48/xx/xx   22 The Dowager and Dan Holiday
* 48/xx/xx   23 Three to Die
* 48/xx/xx   24 The Philanthropist
* 48/xx/xx   25 Last Will and Nursery Rhyme
* 48/xx/xx   26 Delinquent's Dilemma
* 48/xx/xx   27 Flash of Light
* 48/xx/xx   28 Hare and Hounds
* 48/xx/xx   29 Hunt and Peck
* 48/xx/xx   30 Death Is a Doll
* 48/xx/xx   31 One One Three Point Five
* 48/xx/xx   32 Dan and the Wonderful Lamp
* 48/xx/xx   33 Tempest in a Casserole
* 48/xx/xx   34 Mexican Maze
* 48/xx/xx   35 Sealed Instructions
* 48/xx/xx   36 Find Me, Find Death
* 48/xx/xx   37 Much Too Lucky
* 48/xx/xx   38 One of These Four
* 48/xx/xx   39 Daytime Nightmare
* 48/xx/xx   40 Death Is No Joke
* 48/xx/xx   41 The Treasure of Hang Li
* 48/xx/xx   42 Design for Danger
* 48/xx/xx   43 The Dead Man Walks
* 48/xx/xx   44 Killer at Large
* 48/xx/xx   45 Speed to Burn
* 48/xx/xx   46 House of Darkness
* 48/xx/xx   47 Double Trouble
* 48/xx/xx   48 The Biter Bitten
* 48/xx/xx   49 A Perfect Crime
* 48/xx/xx   50 Archimedes and the Roman
* 48/xx/xx   51 The Clay Pigeon
* 48/xx/xx   52 Round Robin