Finnic/Finno-Permic languages by Collinder, 1965 | Finnic/Finno-Permic languages by Austerlitz 1968 | Finnic/Finno-Permic languages by Sauvageot & Menges 1973 | Finnic/Finno-Permic languages by Harms 1974 | Finnic/Finno-Permic languages by Vogelin & Vogelin 1977 | |
| 1.Permic2.Volgaic3.North Finnic | 1. Baltic Finnic2. Saamic3. Volgaic4. Permic | 1. Permic2. Mari (Cheremis)3. West Finnic | 1. Permic2. Finno Volgaic |