Steven R. Loomis wrote: > Issue: there isn't a UN M.49 code that covers this region. There is, however, a MARC 21 geographic code: [zmo]. https://www.loc.gov/marc/geoareas/gacs_code.html Yes, I do understand the incongruity of using the term “geographic” to refer to extraterrestrial locations. -- Doug Ewell, CC, ALB | Lakewood, CO, US | ewellic.org