More Beautiful Breck Girls: Part One Of Two

I wrote a post back in 2010 about these lovely Breck Girls (click here to revisit the post), but I found quite a few more, so I wanted to share them, as well.
The beautiful artwork of Ralph William Williams, these were all found in my vintage Seventeen magazines.
A gorgeous blonde from December 1966 is first up today:

What stunning eyes this next young lady possesses!

Another blonde, this time in red, white and blue, from July, 1967:

This blue-eyed  brunette reminds me of someone, but I have not figured out who.
 From January, 1968; she's stunning:

And last of all today,  we have the ever-lovely Cheryl Tiegs, also from 1968 (forgot to note which month!)

Absolutely beautiful.