Here are a few I stumbled upon of Los Angeles during the late-80's/early 90's boom from the Getty Images collection.
TCW Tower, 777 Tower, Figueroa at Wilshire and a newly completed Library Tower in 1989.
http://www.gettyimages.com/detail/ph...raphy/pan44959
Nearly completed 777 Tower with Two California Plaza starting to rise in the foreground in 1990.
http://www.gettyimages.com/detail/ph...mage/520311978
Nearly completed Figueroa at Wilshire and 777 Tower to the right and a small portion of the Gas Company Tower can be seen in the center, 1990.
http://www.gettyimages.com/detail/ph...aphy/128420698
Two California Plaza & Gas Company Tower ~1991.
http://www.gettyimages.com/detail/ph...aphy/122067805
Two California Plaza & Gas Company Tower with old Pershing Square in 1991.
http://www.gettyimages.com/detail/ph...aphy/122031137
Bonus image I found of an under construction TCW Tower and 777 Tower in 1989~1990.
http://www.nyase.com/tcw-tower.php