2013API STD 620-2013 Design and Construction of Large@ Welded@ Low-pressure Storage Tanks (TWELFTH EDITION; ADD 1: November 2014)
2008API STD 620-2008 Design and Construction of Large@ Welded@ Low-pressure Storage Tanks (Eleventh Edition; Incorporating Addendum 1: March 2009; Addendum 2: August 2010)
2002API STD 620-2002 Design and Construction of Large@ Welded@ Low-Pressure Storage Tanks (Tenth Edition; Addendum 1: June 2004)
1996API STD 620-1996 Design and Construction of Large@ Welded@ Low-pressure Storage Tanks (Ninth Edition; Includes Addendum 1: December 1996 and Addendum 2: December 1997)
1990API STD 620-1990 Design and Construction of Large@ Welded@ Low-pressure Storage Tanks (Eighth Edition; Incorporating Errata: August 1992)
1982API STD 620-1982 Recommended Rules for Design and Construction of Large@ Welded@ Low-Pressure Storage Tanks (Seventh Edition; Incorporating Revision 1@ April 1985)
1978API STD 620-1978 Recommended Rules for Design and Construction of Large@ Welded Low-Pressure Storage Tanks (SIXTH EDITION)
1970API STD 620-1970 Recommended Rules for Design and Construction of Large@ Welded@ Low-pressure Storage Tanks (Fourth Edition)
1966API STD 620-1966 Recommended Rules for Design and Construction of Large@ Welded@ Low-Pressure Storage Tanks (FIFTH EDITION; SUPP 3: August 1975)
1963API STD 620-1963 RECOMMENDED RULES FOR DESIGN AND CONSTRUCTION OF LARGE@ WELDED@ LOW-PRESSURE STORAGE TANKS (SECOND EDITION)