1801
1802
1803
1804
1805
1806
Published: 1946
Publisher: Izdat. Akad. Nauk SSSR
Superior document: Trudy Instituta Vostokovedenija 46
1807
1808
1809
1810
Published: 1917
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 287
1811
1812
1813
1814
1815
1816
Published: 1978
Superior document: Royal Greenwich Observatory bulletins 183
1817
1818
Published: [1926]
Superior document: Sonderdruck aus [Rivista musicale italiana ; anno 33 (1926)]
1819
Published: 1926
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 400
1820