Sansay makes periodic appearances in Burr's correspondence, though the vast majority of these letters have been lost.

These periodic appearances of the captain at odd hours sometimes led to trouble.

Among the special guests who made periodic appearances were:

"My stomach churns," he said of his periodic live appearances on the network, always scheduled in prime weekend slots.

Chilly it was, certainly, but there was no wind, and the sun was even making periodic appearances.

But he could do without the periodic appearance of rats.

B-2s have made periodic appearances on ground display at various air shows.

In later years, after a series of strokes, he was placed in a nursing home but still made periodic appearances at community events.

Glick makes periodic appearances throughout the episode and serves seemingly no purpose in the plot.

Nash made periodic appearances in the town but what he was doing and what traps the police were setting, I had no idea.