Chuck Wood's excellent "Lunar Photo of the Day" (now in re-runs): http://www2.lpod.org/

Astromaterials 3D Ares: https://ares.jsc.nasa.gov/projects/astromaterials-3d/

Lunar Curatorial Laboratory, NASA JSC: http://www-curator.jsc.nasa.gov/lunar/index.cfm

Lunar Virtual Petrographic Microscope: https://www.virtualmicroscope.org/collections/apollo

Lunar Orbiter Photographic Atlas of the Moon: http://www.lpi.usra.edu/resources/lunar_orbiter/

Lunar Orbiter Photo Gallery (higher resolution images): http://www.lpi.usra.edu/resources/lunarorbiter/

Lunar Terminator Visualization Tool: https://github.com/fermigas/ltvt/wiki

Quickmap Lunar Reconnaissance Orbiter: https://quickmap.lroc.asu.edu

Lunar Reconnaissance Orbiter: http://wms.lroc.asu.edu/lroc_browse

BAA lunar section: https://britastro.org/section_front/16

ALPO lunar section: http://www.alpo-astronomy.org/lunarblog/

Royal Astronomical Society of NZ: http://www.rasnz.org.nz/

The Geochemical Society: http://www.geochemsoc.org/

Lunar and Planetary Institute (LPI): https://www.lpi.usra.edu/ 

Lunar Charts: https://www.lpi.usra.edu/resources/mapcatalog/

LPI publications: https://www.lpi.usra.edu/publications/books/ 

Apollo Metric camera images: https://www.lpi.usra.edu/resources/apollo/catalog/metric/

Lunar Sourcebook: A user's guide to the Moon: https://www.lpi.usra.edu/publications/books/lunar_sourcebook/

Geologic History of the Moon by Don Wilhelms: http://ser.sese.asu.edu/GHM/

Space Exploration Resources: http://ser.sese.asu.edu/

Apollo lunar surface journal: https://www.hq.nasa.gov/alsj/

Apollo Archive: http://www.apolloarchive.com/

Apollo in real-time: https://apolloinrealtime.org/

Lunar and Planetary Lab, U. of Arizona: https://www.lpl.arizona.edu/

Impact Earth- craters on the Earth: https://impact.uwo.ca/

NASA ADS database (where you will find most papers on the Moon): https://ui.adsabs.harvard.edu/

Meteoritics and Planetary Science: https://onlinelibrary.wiley.com/journal/19455100

Geochimica et Cosmochimica Acta​: https://www.sciencedirect.com/journal/geochimica-et-cosmochimica-acta

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