| #6551 | Reform : lllustrierte Zeitschrift des Weltverkehrs. -- Cieszyn Polsko : Teschen : K. Prochaska, 1900-1903 |
| #6552 | Refractories journal. -- Velká Británie : London : London & Sheffield Publ. Co.,, 1940-1990. -- ISSN 0034-3110 |
| #6553 | Refractories worldforum : manufacturing & performance of high-temperature materials. -- Baden-Baden : Göller Verlag, 2009-. -- ISSN 1868-2405 |
| #6554 | Refreshment service. -- Velká Británie : London : Bottler and Packer, 1950-1957 |
| #6555 | Refrigerating engineering. -- Spojené státy americké : New York : American Society of Refrigerating Engineers, 1922-1959. -- ISSN 0096-0470 |
| #6556 | Refrigeration abstracts. -- Spojené státy americké - United States : New York : American Society of Refrigerating Engineers, 1946-1957. -- ISSN 1059-8634 |
| #6557 | Refrigeration and air conditioning. -- Croydon : Emap Maclaren, 1988-1990. -- ISSN 0958-3998 |
| #6558 | Refrigeration and air conditioning. -- Croydon : Emap Maclaren, 1970-1981. -- ISSN 0026-8364 |
| #6559 | Refrigeration : National news, merchandising, management and technical publication for ice and allied industries. -- Georgie Spojené státy americké : Atlanta : Southern Periodical Pub. Co., 1915, 1915-. -- ISSN 0034-3137 |
| #6560 | Refrigeration service and contracting. -- Spojené státy americké - United States : Chicago : Nickerson & Collins, 1952-1998 |