The following is a list of all the magazines that will covered (only) by the British Popular Fiction Magazine Index for which no known copies of certain issues have yet been located.
The Blue Magazine
Missing: Oct-1928
The Club Room
Missing: any issues from Dec-1913 on
The Jolly Mag.
Missing: Jun-1927; Aug-1927; Sep-1927; Oct-1927
The Ludgate
Missing: Apr-1900 to Feb-1901
The Merry Mag.
Missing: Dec-1924; Jan-1925; May-1929 to Feb-1930
Modern Stories
Missing: Aug-1934; Sep-1934; Oct-1934; any after
Dec-1934
Nash's Magazine
Missing: May-1909; Jun-1909; Aug-1909; Sep-1909;
Christmas 1946; Christmas 1947; Christmas 1948; Christmas 1949
The New Magazine
Missing: Oct-1912 to Mar-1913; Apr-1916; Jun-1916
to Aug-1916; Oct-1916 to Dec-1916; Feb-1917; Mar-1917; May-1917 to Nov-1917;
Jan-1918; Feb-1918; Sep-1918; Mar-1919 to Sep-1919; Feb-1920; May-1920 to
Dec-1920; Feb-1921 Apr-1921; Jul-1921; Sep-1921; Jan-1924; Mar-1924; May-1924;
Sep-1924; Dec-1924 to Jul-1925; Jun-1926; Sep-1926; Nov-1926; Apr-1927;
Jun-1927; Jul-1927; Sep-1927; Dec-1927; Feb-1928 to Dec-1929; May-1930;
The Novel Magazine
Missing: Oct-1917; Nov-1917; Jan-1918; Feb-1918;
Mar-1918; May-1918; Jun-1918; Aug-1918
Pall Mall Magazine
Missing: Dec-1928; Jan-1929; Feb-1929; Mar-1929;
Apr-1929; May-1929; Sep-1929; Summer 1946; Christmas 1946; Summer 1947;
Christmas 1947; Summer 1948; Christmas 1948; Summer 1949; Christmas 1949;
Sievier's Monthly
Missing: Missing: #5, May-1909; #11, Nov-1909;
#21, Sep-1910; #22, Oct-1910
The Sovereign (and Regent) Magazine
Missing: Dec-1919; Jun-1922; Oct-1922; Jul-1925;
Jun/Jul-1926; Mar-1927; Apr-1927
Standard Stories
Missing: May-1926
Storyteller
Missing: Jun-1937
The 20 Story Magazine
Missing: Feb-1929; May-1929; Jun-1929
The Universal (and Ludgate) Magazine
Missing: May-1900; Jun-1900; Jul-1900; Oct-1900;
Nov-1900; Dec-1900; Jan-1901; Feb-1901
The Violet Magazine
Missing: Sep-1938 to Nov-1939
Yes or No
Missing: most issues