| P17 | country | ... | Q34266 (Russian Empire) | Russian Empire |
| P425 | field of this occupation | ... | Q1156976 (excursion) | excursion |
| P425 | field of this occupation | ... | Q6502154 (exploration) | exploration |
| P425 | field of this occupation | ... | Q11826511 (work of science) | work of science |
| P571 | inception | ... | 1907-01-01 | ??? |
| P31 | instance of | ... | Q43229 (organization) | organization |
| P31 | instance of | ... | Q829080 (professional association) | professional association |
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log id: 9298673