1857, Bertram Arthur Earl of Shrewsbury, Catalogue of the Magnificent Contents of Alton Towers, the Princely Seat of the Earls of Shrewsbury, page 64:
1012 A GRAND EQUESTRIAN FIGURE OF A KNIGHT, in a complete cap-a-pie suit of fine plate armour, partly fluted; consisting of helmet of curious form, with twisted crest and plumeholder, fluted visor and chain neck piece, […]
1921, Sir Guy Francis Laking, A Record of European Armour and Arms Through Seven Centuries, paage 206:
Often, too, the plumeholders are elaborated in gilded bronze. The dagger which each guard carried and of which there are a number in the Dresden Museum is very distinctive. The hilt is of blackened iron, […]
2004, Mansura Haidar, Medieval Central Asia: Polity, Economy and Military Organization, Fourteenth to Sixteenth Centuries, page 250:
[…] work decorated with wool or silk overlay were other novelties, with a pyramidal spike on the crown. The helmet (kotah) was usually hemispherical in shape with three plumeholders and a movable noseguard set by a small screw.
