SCHLESWIG
| E07.01 | Briefmarken Spezial-Prospeckt des Abstimmungsgebietes Schleswig by H. Andersen, 40p. |
| E07.02 | Neues Handbuch Der Freimarkenkunde, Heft 8, Nord-Schleswig, (Plebiscite 1920), 55p. |
| E07.03 | Katalog og Prisliste, Plebiscit Slesvig, 1 Zone by R. Bechsgaard. (In Dutch) |
| E07.04 | 60 Jahre Plebiscit Slesvig 1920-1980, by H. Lutz, Doe Plattenfehler des Abstimmungsgebiets Nordschleswig + Briefmarken Spezial-Prospekt des Abstimmungsgebiets Schleswig + other Odds and Ends. In loose leaf binder. |
SCHLESWIG Clippings
| E07.500CL | The Schleswig Plebiscite era by F. Corel, clipping from The American Philatelist, March 1994, 14 p. Includes German and Danish postal rates. |
| E07.501CL | The Schleswig Plebiscite Issues by H. L. Halle, clipping from GPS Specialist, Dec. 1981, 10p |
| E07.502CL | The Schlevig Plebiscite Stamps by A. Pade, clipping from the Collectors Club Philatelist. |
| E07.503CL | Stamps as Pawns in a Historic Game by H. Nehm, clipping from PFC-Journalen, Danish Post Office, May 1990. |