lEcclesiastes, Song of Solomon, and Proverbs are generally attributed to the reign of Solomon, who is purported to be the author of the first two and a contributor to the third. Some or all of these may have originally existed in the oral tradition and been written down at some later date, possibly as late as the post-exilic period. 

The Old Testament:
The WRITINGS
1400 B.C. (Moses) to 420 B.C. (Malachi)