| 1. | Letter from the Austro-Hungarian Ministry of Railways to the Union Baugesellschaft company about the construction of a rack railway from Lovran to Učka Documentos e Manuscritos | Documents and Manuscripts HMT-204 1909-10-02 |  | |
| 2. | Letter from the Presidential office of the Ministry of Trade Documentos e Manuscritos | Documents and Manuscripts HMT-193 1909-03-30 | | |
| 3. | Letter of the Union-Baugesellschaft construction company to Dr Eder regarding the construction of the Učka railway Documentos e Manuscritos | Documents and Manuscripts HMT-194 1909-10-03 | | |
| 4. | Part of the minutes of a meeting of the Commission for the construction of an electric railway from Lovranska Draga to Učka Documentos e Manuscritos | Documents and Manuscripts HMT-197 1910-01-01 | | |
| 5. | Planned rail route from Lovranska Draga to Učka Documentos e Manuscritos | Documents and Manuscripts HMT-198 1910-01-01 | | |
| 6. | Rail connection between Lovran and the peak of Mount Učka Documentos e Manuscritos | Documents and Manuscripts HMT-190 1910-01-01 | | |
| 7. | Rail connection between Mount Učka and the coast and its importance Documentos e Manuscritos | Documents and Manuscripts HMT-189(1-2) 1908-01-01 | | |
| 8. | The Lovran-Učka railway project and its importance Documentos e Manuscritos | Documents and Manuscripts HMT-191(1-2) 1910-01-01 | | |
