Analysis of information sources in references of the Wikipedia article "Serbs in North Macedonia" in English language version.
In the Ottoman defters, Orthodox Christians are as a rule recorded as kâfir or gâvur (infidels) or (u)rum.
... но долазимо те као Срби молити и преклињати, да прицима Тако су Турци, на бугарску доставу, 16. јуна 1878. ухватили на путу Скопље-Куманово Ристу Цветковића-Божинче, из Врања, ...
Јужна Србија, која обухвата Вардарску и Зетску бановину
"Then Protogerov's aides had an idea: they asked who celebrated the slava. Those who did so were shot, since the celebration of the slava is a sign that one is a Serb: it is a custom which the Bulgars do not ...; Gilbert in der Maur (1936). Die Jugoslawen einst und jetzt: Jugoslawiens Aussenpolitik. Günther. p. 330.
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