 
 
     
 
   
    
 
Sky Birds/Headquarters Detective
For most of its life, this was an aviation pulp called Sky Birds,
but for a brief period in 1936/37 it became a detective pulp called
Headquarters Detective.
 
 
| 1929 |  v1 #1
 Jan
 |  v1 #2
 Feb
 |  v1 #3
 Mar
 |  v1 #4
 Apr
 |  v2 #1
 May
 |  v2 #2
 Jun
 |  v2 #3
 Jul
 |  v2 #4
 Aug
 |  v3 #1
 Sep/Oct
 |  v3 #3
 Nov
 |  | 
 
 
| 1930 |  v3 #4
 Jan
 |  v4 #1
 Feb
 |  v4 #2
 Mar
 |  v4 #3
 Apr
 | v4 #4 May
 |  v5 #1
 Jun
 |  v5 #2
 Jul
 |  v5 #3
 Aug
 |  v5 #4
 Sep
 |  v5 #5
 Oct
 |  v5 #6
 Nov
 |  v5 #7
 Dec
 | 
 
 
| 1931 |  v5 #8
 Jan
 | v5 #9 Feb
 |  v5 #10
 Mar
 |  v7 #3
 Apr
 |  |  v7 #4
 Jun
 |  |  v7 #5
 Aug
 |  v7 #6
 Sep
 |  v7 #7
 Oct
 |  v7 #8
 Nov
 |  v7 #7
 Dec
 | 
 
 
| 1932 |  v7 #10
 Jan
 |  v7 #11
 Feb
 |  v7 #12
 Mar
 |  v10 #1
 Apr
 |  |  v10 #2
 Jun
 |  |  v10 #3
 Aug
 |  v10 #4
 Sep
 |  v11 #1
 Oct
 |  v11 #2
 Nov
 |  v11 #3
 Dec
 | 
 
 
| 1933 |  v11 #4
 Jan
 |  v12 #1
 Feb
 |  v12 #2
 Mar
 |  v12 #3
 Apr
 |  v12 #4
 May/Jun
 |  v13 #1
 Jul
 |  v13 #2
 Aug
 |  v13 #3
 Sep
 |  v13 #4
 Oct
 |  v14 #1
 Nov
 |  v14 #2
 Dec
 | 
 
 
| 1934 |  v14 #3
 Jan
 |  v14 #4
 Feb
 |  v15 #1
 Mar
 |  v15 #2
 Apr
 |  v15 #3
 May
 |  v15 #4
 Jun
 |  v16 #1
 Jul
 |  v16 #2
 Aug
 |  v16 #3
 Sep
 |  v16 #4
 Oct
 |  v17 #1
 Nov
 |  v17 #2
 Dec
 | 
 
 
| 1935 |  v17 #3
 Jan
 |  v17 #4
 Feb
 |  v18 #1
 Mar
 |  v18 #2
 Apr
 |  |  v18 #3
 Jun
 |  v18 #4
 Jul
 |  v19 #1
 Aug
 |  v19 #2
 Sep
 |  |  |  v19 #3
 Dec
 | 
 
 
| 1936 |  |  |  |  |  v19 #4
 May
 |  |  v20 #1
 Jul
 |  |  v20 #2
 Sep
 |  | v20 #3 Nov
 |  | 
 
 
| 1937 |  v20 #4
 Jan
 |  |  v21 #1
 Mar
 |  |  |  |  |  |  |  |  |  | 
 
Other issues probably exist.
 
| 1932 |  |  |  |  |  |  |  |  |  Sep
 |  |  |  | 
 
 
| 1933 |  |  |  |  |  |  |  |  |  |  |  |  | 
 
 
| 1934 |  |  |  |  |  |  |  |  |  |  v16 #4
 Oct
 |  |  | 
 
| 1935 |  |  |  |  |  |  |  |  v19 #1
 Aug
 |  |  |  |  Dec
 |