During each of these long, unreal days when he had scarce a moment to himself, for it fell to his share to see that everything ran smoothly, Dick Wantele found himself engaged in close watchful combat with an invisible foe.
"Jane Oglander"
Marie Belloc Lowndes
Soon the young man seemed to be aware of the presence and watchful eye, and looked behind him, peering into the dusk.
"The Eye of Dread"
Payne Erskine
The people of the caravan when they lacked fresh meat hunted for them, but almost always in vain, for the watchful and fleet animals would not allow themselves to be approached or surrounded.
"In Desert and Wilderness"
Henryk Sienkiewicz