Home›Browse›common practice period🌐EnglishEnglishEspañolItalianoالعربيةفارسی한국어中文EntityQ10753264· pop 13· linked from 432 articlescommon practice periodSign in to saveera of the tonal system between the mid-17th to early 20th centuriesAvailable in 13 languagesEspañol中文ItalianoالعربيةAfrikaansBasqueCatalanCentral KurdishEsperantozh_yueفارسی한국어via Wikidata sitelinks · CC0