Štāls, E.; Zigmunde, A.; Lapsa, R. The Contribution of Riga Polytechnicum Riga Polytechnic Institute Graduates (1875–1916) to Maritime Affairs in the 19th and 20th Centuries. HESIHE 2025, 9, 8-20. https://doi.org/10.7250/HESIHE.2025.002.