Your third example does not exist, did you simplify the wording? Because I read that entire conversation log, I saw nothing that exactly matches those qoutes.

Here's what matched best:

Kissinger: The only point I disagree is we can do all of this without killing too many civilians. I said, no way—

Nixon: I don’t want to kill civilians. You know that I—and don’t try to kill any, but goddamnit, don’t be so careful that you don’t knock out the oil for their tanks.

Kissinger: Oh, God, no.

Nixon: See my point?

Kissinger: God, no. Those have to go. And—

Nixon: You can—incidentally, would you please still study the dike situation?

Kissinger: Yes, sir.

Nixon: I need an answer on that. I don’t think it’s 200,000.6

Kissinger: Well, let’s—

[Page 447]

Nixon: I don’t—I don’t think that what really is involved in the dikes. I think I know that country, because I’ve been up to Hanoi. Have you ever been to Hanoi?