at the first opportunity

References in classic literature ?
I decided that at the first opportunity I would take Sola into my confidence and openly ask her to aid me, and with this resolution strong upon me I turned among my silks and furs and slept the dreamless and refreshing sleep of Mars.
Victor expressed his desire and intention to call upon Miss Highcamp at the first opportunity which presented itself.
And marmalade," said Sir Joseph, striking in at the first opportunity.
When I received my dismissal, I could see that she took the blackest view possible of the Colonel's motives, and that she was bent on getting the Moonstone out of her daughter's possession at the first opportunity.
Nevertheless I had every intention of escaping at the first opportunity, and going back to Bagdad.
The issue of the primacy of one branch over another is institutionalized by having City Council take over the reigns of government at the first opportunity,'' Garfield wrote.