„Mills Currency“. Past & Present. Stamp and Coin Place Blog (2018-yil 26-sentyabr). 2021-yil 3-mayda asl nusxadan arxivlangan. Qaraldi: 2019-yil 5-dekabr.
„Mills Currency“. Past & Present. Stamp and Coin Place Blog (2018-yil 26-sentyabr). 2021-yil 3-mayda asl nusxadan arxivlangan. Qaraldi: 2019-yil 5-dekabr.