ACI Manual of Concrete Practice print holdings for select ranges between 1968-2012 are available in Thode Library.
These standards have designations such as <ACI 107-71(97)> or <ACI 308.1-98>. The numbers following the standard number simply indicate the date the standard was issued or re-approved.
The standards are in numerical order in each part; the range of standards contained in a volume is on the spine of each volume so it's easy to see which volume you need.
ACI also publishes various other journals, reports, commentaries, etc. which are available separately.