He telephoned the Archives and I was buzzed through a locked door to climb up several hundred stone steps to the round tower.
To write my previous books, I did months of research in the Royal Archives, in the round tower of Windsor Castle.
He stood in the kitchen of the round tower chatting amiably over instant coffee with the different staff members and researchers.
In this country there stood on a high hill a round tower, and at the top of it lived an old wizard.
"That is the famous round tower over there," explained Anna.
We mounted to the battlements of the round tower by the hundred steps, the grim cannon gazing down upon us from the top.
"But not so good a view as we can get from the top of the round tower," said Hr.
Passing onward, the traveller enters the round tower built by Louis.
The shadow of its round tower sanctified the soil that it fell upon.
The height of the round tower was increased by thirty-nine feet and a flag turret added.