Sentence examples for are difficult to date from inspiring English sources

Their principal texts are difficult to date, though most of them probably were not composed before the 8th century.

In the 19th century he was feted as the bridge to Impressionism; some called him the first modern artist.Archival information about Guardi's life is scarce and his pictures are difficult to date.

Archaeological surface finds are difficult to date.

Shakespeare's plays are difficult to date, however, and studies of the texts suggest that Titus Andronicus, The Comedy of Errors, The Taming of the Shrew and The Two Gentlemen of Verona may also belong to Shakespeare's earliest period.

While the software was designed to help with the analysis of tropical tree rings that are difficult to date, the first macro, with only about 160 lines of effective code, is simple to change and features such as graphic presentation and simple statistical evaluation can be modified in Excel without any code-writing.

It is difficult to date precisely, for the only evidence of its use is found in cave paintings.

Because almost none of Donne's poetry was published during his lifetime, it is difficult to date it accurately.

"If you ran into this 20, 30 years from now, it would be difficult to date, and difficult to say clearly what the intention of its maker was," he said with pleasure.

The finest Qing dynasty jade carving is often assigned to the reign of Qianlong, but carved jade is difficult to date, and some high-quality pieces in the Qianlong style have been made since 1950 in the Handicraft Research Institute in Beijing.

The best of Blass (and it isn't the Reagan-era ruffled poufs or lamé dinner suits) is difficult to date, though is that because the clothes are ageless or because contemporary fashion is so anarchic that every period and impulse seems modern?

The house was difficult to date: heavily panelled, hung with some good 18th century portraits and with lots of lovely china, yet the drawing room reminded me of an ice-cream parlour, all green and red, with chairs that were surprisingly frayed, and banks of flowers precariously perched on stands and tied with gigantic ribbons.