1927, Leningrad Oblast, since 1929 in Western Oblast, abolished in 1932, split between Loknyansky, Velikoluksky, and Novosokolnichesky Districts; Novoselsky District (the selo of Novoselye), established in 1927, Leningrad Oblast, abolished in 1932, merged into Strugo-Krasnensky District. Re-established in 1935, since 1944 in Pskov Oblast, abolished in 1959, merged into Strugo-Krasnensky District. Pavsky District (the selo of Pavy), Pskov Oblast, established in 1946, abolished in 1959, split between Strugo-Krasnensky and Porkhovsky Districts; Podberezinsky District (the selo of Podberezye), established in 1945, Velikiye Luki Oblast, since 1957 in Pskov Oblast, abolished in 1958, split between Kholmsky, Loknyansky, Velikoluksky, and Ploskoshsky Districts; Polnovsky District (the selo of Polna), established in 1927, Leningrad Oblast, since 1944 in Pskov Oblast, abolished in 1958, merged into Gdovsky District; Porechyevsky District (the selo of Porechye), established in 1927, Leningrad Oblast, since 1929 in Western Oblast, abolished in 1930, split between Velikoluksky, Nevelsky, and Usvyatsky Districts. Re-established in 1945as Porechensky District, Velikiye Luki Oblast, since 1957 in Pskov Oblast, abolished in 1959, merged into Velikoluksky District. Pozherevitsky District (the village of Pozherevitsy), established in 1939, Leningrad Oblast, since 1944 in Pskov Oblast, abolished in 1958, split between Dedovichsky and Ashevsky Districts; Rudnensky District (the selo of Rudno, since 1930 in the village of Vyskatka), established in 1927, Leningrad Oblast, abolished in 1933, split between Gdovsky and Osminsky Districts; Rykovsky District (the selo of Skokovo), established in 1927, Leningrad Oblast, since 1929 in Western Oblast, abolished in 1930, split between Nasvinsky, Loknyansky, Novosokolnichesky, and Pustoshkinsky Districts; Seryodkinsky District (the selo of Seryodka), established in 1927, Leningrad Oblast, since 1944 in Pskov Oblast, abolished in 1958, split between Gdovsky and Pskovsky Districts; Slavkovsky District (the selo of Slavkovichi), established in 1927, Leningrad Oblast, since 1944 in Pskov Oblast, abolished in 1959, merged into Karamyshevsky District; Soshikhinsky District (the selo of Vorontsovo), established in 1935, Leningrad Oblast, since 1944 in Pskov Oblast, abolished in 1959, split between Ostrovsky and Novorzhevsky Districts; Usmynsky District (the selo of Usmyn), established in 1927, Leningrad Oblast, since 1929 in Western Oblast Oblast, abolished in 1930, split between Velizhsky and Usvyatsky Districts. Re-established in 1945 as Prikhabsky District, Velikiye Luki Oblast, with the administrative center in the selo of Prikhaby. In 1949, renamed Usmynsky, the administrative center moved to Usmyn, since 1957 in Pskov Oblast. Abolished in 1957, merged into Kunyinsky District; Ust-Dolyssky District (the selo of Ust-Dolyssy), established in 1928, Leningrad Oblast, since 1929 in