Valuev Circular, a secret decree which stopped all publications in Ukrainian language
Circular Quay | Circular Time | Circular dichroism | Valuev Circular | Specie Circular | South Circular Road | OMB Circular A-16 | OMB Circular A-130 | North Circular Road | Karachi Circular Railway | Circular symmetry | Circular migration | Circular Dichroism | Circular Congregational Church | Circular 10/65 | Argand lamp with circular wick and glass chimney. (Illustration from ''Les Merveilles de la science'' 1867-1869 |