Betar and Revisionist Movement certificates belonging to Meir Horowitz:
Hatzach (New Zionist Organization): delegate card to first Hatzach Council in Eretz Israel (2 July 1940), delegate card in Hatzach National Conference (Nissan 5706), Hatzach Zionist Citizen certificates (5699 and 5703).
Hatzohar (Zionist Revisionists): membership card in Hatzohar Warsaw, Hatzohar certificate in Little Poland West and Silesia, Dinar card - right to election to Hatzohar World and National conferences, various Hatzohar certificates in Polish.
Betar: Betar membership card in Krakow (5693), Betar Poland 'Brother' cards (5691).
Culture membership card in Western Little Poland and Galil and Silesia, Keren Kayemet LeIsrael (Jewish National Fund) Poland membership card (1930), Certificate of Honor from Brit HaHashmonaim in Eretz Israel at memorial assembly for David Raziel on second anniversary of his death (29.5.1943), Maccabi membership card in Krakow (1931), receipt for donation to Diskin Great Institution for Orphans and other various cards.
In file, two certificates belonging to his wife, Tzila Karni: membership card in General Federation of Laborers of the Jewish Laborers in Eretz Israel (1935), Hatzach Zionist Citizen certificate (5700).
Hebrew, Polish