1. | Letter from the Union-Baugesellschaft company about the construction of a hotel on Učka Documentos e Manuscritos | Documents and Manuscripts HMT-196 1908-12-14 | ||
2. | 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 |