MDS 999.23
Wording: History & geography Oceania & Polar Regions Extraterrestrial worlds Planets of solar system and their satellites Mars
Dewmoji: πΊοΈπΏπ🪐♂
0 Computer science, information & general works 252,013 βΉοΈ | 1 Philosophy and Psychology 270,129 🧠 | 2 Religion 681,242 π | 3 Society, Government, and Culture 1,328,382 π« | 4 Language 209,883 π¬ | 5 Natural sciences & mathematics 431,918 π¬ | 6 Applied Science & Technology 940,635 π‘ | 7 Arts & recreation 1,031,850 π¨ | 8 Literature & rhetoric 1,436,736 π | 9 History & geography 837,760 πΊοΈ |
90 History 36,727 π | 91 Geography & travel 163,376 π | 92 Biographies, Genealogy, Healdry 88,906 π© | 93 History of ancient world (to ca. 499) 40,802 π | 94 History of Europe 209,479 π° | 95 History of Asia 53,941 🏯 | 96 History of Africa 17,044 π¦ | 97 History of North America 188,701 π¦ | 98 History of South America 15,750 π | 99 Oceania & Polar Regions 23,034 πΏ |
990 Oceania & Pacific Islands 686 | 991 [Formerly: Malaysia and Indonesia] 756 | 992 [Formerly: Sunda - Sumatra and Java] 71 | 993 New Zealand 3,028 π³πΏ | 994 Australia 12,775 π¨ | 995 Papua New Guinea 566 πΈπ§ | 996 Polynesia 3,910 π | 997 Atlantic Ocean islands 419 ποΈ | 998 Arctic islands and Antarctica 516 π§ | 999 Extraterrestrial worlds 307 π |
999.0 12 | 999.1 Earth's moon 4 🌕 | 999.2 Planets of solar system and their satellites 6 🪐 | 999.3 | 999.4 | 999.5 1 | 999.6 1 | 999.7 1 | 999.8 | 999.9 12 |
999.20 | 999.21 Mercury ☿ | 999.22 Venus ♀ | 999.23 Mars 4 ♂ | 999.24 Asteroids (Planetoids) ☄️ | 999.25 Jupiter ♃ | 999.26 Saturn ♄ | 999.27 Uranus ⛢ | 999.28 Neptune 1 ♆ | 999.29 Trans-Neptunian objects |
Selected Works under MDS 999.23 (4)
- The Mars mystery : the secret connection between earth and red planet by Graham Hancock
- The Monuments of Mars : A City on the Edge of Forever by Richard C. Hoagland
- The Face on Mars: Evidence for a Lost Civilization by Randolfo Rafael Pozos
- Alien Intelligence and the Pathway to Mars: The Hidden Connections between the Red Planet and Earth by Mary Bennett
Related Tags
"Far Friends"
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
None
Wording
| 1922 Edition |
| Modern Language |
| Emoji |



