Texas Arts portalWorks published/the 770s. 720s730s740s750s760s770s780s790s800s810s820s 3rd4th5th6th7th8th9th10th11th12th13th Subcategories This category has the following 8 subcategories, out of 8 total. 770 works (1 C) 772 works (1 C) 774 works (1 C) 775 works (1 C) 776 works (1 C) 777 works (1 C, 1 P) 778 works (1 C)B Buildings and structures completed in the 770s (8 C)