▁volumes . ▁ ▁Cambridge , ▁Massachusetts , ▁Harvard ▁University ▁Press , ▁ 1 9 4 9 . ▁▁▁ ▁The ▁New ▁Harvard ▁Dictionary ▁of ▁Music , ▁ed . ▁Don ▁Rand el . ▁ ▁Cambridge , ▁Massachusetts , ▁Harvard ▁University ▁Press , ▁ 1 9 8 6 . ▁▁▁ ▁" The ▁Not ation ▁of ▁Poly ph onic ▁Music ▁ 9 0 0 - 1 6 0 0 ", ▁Will i ▁Ap el , ▁Cambridge , ▁Massachusetts , ▁The ▁Med ieval ▁Academy ▁of ▁America , ▁ 1 9 5 3 , ▁Library ▁of ▁Congress ▁No . ▁- 6 1 - 1 2 0 6 7 ▁ ▁Category : Pol y ph onic ▁form <0x0A> </s> ▁Van essa ▁Wal lace ▁( born ▁ 2 0 ▁June ▁ 1 9 7 7 ) ▁is ▁a ▁British ▁Par al ym pic ▁ath lete ▁who ▁compet es ▁in ▁shot ▁put ▁and ▁j avel in ▁events ▁in ▁international ▁level ▁events . ▁ ▁References ▁ ▁Category : 1 9 7 7 ▁birth s ▁Category : L iving ▁people ▁Category : Pe ople ▁from ▁Tot ten ham ▁Category : Par al ym pic ▁athlet es ▁of ▁Great ▁Britain ▁Category : B rit ish ▁female ▁shot ▁put ters ▁Category : B rit ish ▁female ▁j avel in ▁throw ers ▁Category : English ▁female ▁shot ▁put ters ▁Category : English ▁female ▁j avel in ▁throw ers ▁Category : A th let es ▁( track ▁and ▁field ) ▁at ▁the ▁ 2 0 1 6 ▁Summer ▁Par al ym p ics <0x0A> </s> ▁Pit ▁B oss