L    ↑
Laborline Thesaurus	LaMDA (2)
LAN (2)	Langenscheidt
Langenscheidt T1 (5)	LangIdent (2)
LANSLIDE (2)	LARS (8)
LARS 3.42 (2)	LARS 5.0 (3)
LARS II (4)	Laser
LaserCat (2)	LaserQuest
Latent semantic analysis (10)	Latent Semantic Indexing (38)
LaTeX (7)	Lattes
Laurin-Thesaurus	LBase
LC NAF	LCC (194)
LCDGT	LCI Comprend
LCNAF	LCSH (401)
lcsh-es.org	LCSH-mr (9)
LEAF (2)	Lecloux Archiv
LectureLounge	Leibniz Publik
Leiden Ranking	Leimkuhler-Gesetz
Leimkuhler-Kurve	Lens
Let's browse	Letizia
Level3	Lex4
Lexibot (2)	LexiCan
LexiCom (2)	LexiCon (3)
Lexikids (2)	Lexikodisc (6)
Lexikon der Erfindungen	Lexikon des internationalen Films
Lexikon Filmschauspieler international	Lexikothek / Lexikodisc
LEXINET	LexiROM (15)
LexiROM 4.0	LEXIS (2)
LEXIS-NEXIS (15)	LEXIS/NEXIS (3)
LEXIS/NEXIS Freestyle -> Freestyle	LexisNexis (3)
LEXTER	LGBTQ+ (3)
LIAS (4)	Libero (5)
LIBERTAS (5)	LibGen
LIBIS	LibLink (2)
LibRank	Library Master (9)
Library Master 4.1	Library of Congress (2)
Library of Congress thesaurus for graphical materials	Library of the Future
Library-Thing	LibraryFind
LibraryThing (12)	LibraryWorks
Libri (2)	Libri aktuell
Libri CD	LIBRIS (6)
LIDOS (7)	LIFENET
LiLi (6)	LILOG
Liman	Liman Scout
LIMAS (2)	LIMBER
Limewire	LINAS
Lingo (10)	Linguatec e-Translation Service
Linked Open Citation Database (LOC-DB)	LinkedIn
Links@Ovid	Linne-System
Linne_System (3)	LinQuer
Linux (9)	Linux Debian
LION	LISA (37)
Lisde	LISP
LISTA (2)	Liste fachlicher Nachschlagewerke (2)
LiTeWi	LITI (2)
LITMAN	LITTERA (2)
LiveLink	Living Memory
LIVIVO (2)	Livres disponibles
LoC (4)	LoC NAF (4)
LoC SAF (7)	LocDoc
LOCIS (5)	LODRefine
LOGOG	Logox
Lonclass	London classification of business studies (2)
LookSmart (4)	LookUp
Lotka-Gesetz (25)	Lotka-Verteilung
Lotse (5)	Lotus Notes (6)
Louvre-CD	LRM
LSA -> Latent semantic analysis	LSI -> Latent Semantic Indexing
Lucene (2)	Luhn-Modell
LUIS (4)	LUMIN (2)
Luminous	LUVIT
LyberWorld (10)	Lycos (101)
Lycos iQ	Lycos Shopping
Lycos Zone	Lycos' Top5 per cent
Lynn-Peterson Alternative Classification	Lynx (2)
M    ↑
M-BOX	M-CAST
MAB (37)	MAB-1 (2)
MAB-2 (6)	MAB2 (17)
Mable+	MABXML
MacPAC	Macrex (3)
Macromedia Director (2)	MACS (30)
MacSPIRS	MADOK
Maestro	Magazine ASAP
Magazine index	Magellan (17)
Mahalo	MAI (2)
MAIL	MAKLUM
MALVINE (2)	Mambo
Mamma (2)	Mammals (2)
Manager Series	Mandelbrot-Gesetz
Mandelbrot-Verteilung (2)	Mantis
Maori subject headings	Map of Science (2)
Map&Guide	Map'n'Go
Map24	Maple
Mapper (2)	Mappy
MARBI	MARC (162)
MARC 21 (6)	MARC AMC (5)
MARC for Classification Data	MARC s. auch $-MARC
MARC-21 (2)	MARC-AMC
MARC21 (45)	MarcEdit
MARCit	Marco Polo
Marco Polo Travelcenter	Marcus
MARCXML (4)	MARIE
MARS (3)	MARTIF
MARVEL	Mata Hari Pro
MatchMarc	MatDL
MATEO (2)	MATER
Math Tools	Math-Link
Math-Net (5)	MATHCAD
Mathematica	Mathematical Reviews (4)
Mathematical Reviews/MathSciNet	Mathematics Archives
MathGate	MathGuide
MathNet (2)	MathSci CD
Matthew effect	Maxon Cinema 4D XL
Mayo clinic	Mayo Clinic CD
MCDU Project	McGraw-Hill Encyclopedia of Science & Technology (3)
McGraw-Hill Multimedia Encyclopedia of Mammalian Biology	McGraw-Hill Science and Technical Reference Set
McGraw-Hill Science Navigator	MCLC
MDStV	Mead (2)
MECANO	Mechanical Turk
Media Archive	media archive(R)
MediaForge	MediaKey
MEDIAS	MediaSuite Pro
Mediator	MediaWiki (4)
MedIndEx (2)	Mediovis
MEDIS (2)	MEDITEC-Thesaurus (2)
MEDLARS (3)	MEDLINE (74)
Medline-LINK	MedlinePlus
MeDoc (5)	MedPilot (5)
MEDUSA	Mega Web directory
Megadoc	Mein erstes Lexikon
Melvil	Melvil Class
Melvil Search	MelvilClass
MelvilSearch	MELVYL (56)
MemeMapper	Memex (12)
MEMOIR	MEMOSE
MENALIB	Mendeley (13)
Mensch 3D (3)	MenUSE (9)
Merriam-Webster (2)	Merriam-Webster dictionary (7)
Merrill's code	MeSH (56)
Messenger	META-Katalog
META-LIB (5)	Metabug
Metacrawler (20)	Metafind (3)
MetaGer (17)	MetaGopher
METAL	MetaLib
Metalook	MetaNet
Metaposition.de	MetaSpider
Metaspinner (9)	MetGer
Methode Eppelsheimer (29)	Methode Epplesheimer
Methode Gülich (17)	METIS
METRO	METS (10)
Metzler-Film-Lexikon	meX
Meyer Scout 2002	Meyers großer Weltatlas (2)
Meyers Großes Handlexikon	Meyers großes Konversations-Lexikon (2)
Meyers großes Taschenlexikon (3)	Meyers Konversationslexikon 1906
Meyers Lexikon	Meyers Neues Lexikon
Meyers Taschenlexikon (2)	Meyerscout 2002
MHEG	MIBIS
Micro-OPC (2)	Microcosm
MicroMARC	MicroMATER
Micromusee	MicroOPC
Microsoft (4)	Microsoft Academic (2)
Microsoft Academic Search (2)	Microsoft Access (5)
Microsoft Bookshelf => Bookshelf	Microsoft Encarta => Encarta
Microsoft Explorer	Microsoft FrontPage
Microsoft Index Server	Microsoft Live Search (2)
Microsoft Network (13)	Microsoft SQL Server
Microsoft Virtual Globe => Virtual Globe	MIDAS (7)
MIDAS-NET (2)	MiDoMi
MIDOS	MIDOS 16
MIDOS Thesaurus (2)	MIKROPLIS
MIKUM	MILC
MILESS (2)	Millenium EBOOK
Millipede	MILOS (24)
MILOS II (4)	MIMOR-Modell
Mind Manager	MindMapper
MindServer Categorizer (2)	Minilex (2)
MINISIS (2)	MINITEL (7)
Miomi	MIRABILIS
MIRACLE	Mirago
Mircrosoft	Mister Wog
Mister Wong	MIZE (2)
MLA Music Thesaurus	MMS
MO-WORM	MODS (6)
MODS2FRBRoo (2)	MOLLI
Mondosoft	Monetenfuchs.de
MONOCLE (2)	MOOC (3)
Moodle (3)	Mooter
MORE (3)	MoReq2010
MorgenWelt (2)	Morpheus
MorphoSaurus-Projekt (2)	Morphy (2)
Mosaic (25)	MountMedia
Moving Image Collections	Moving Image Collections Portal
MOVplus	Mozilla
Mozilla Foundation	MPC2
MPDL	MPEG (5)
MPEG-4	MPEG-7 (10)
MSAC (3)	MSC (14)
MSCDEX	MSN (12)
MSN -> Microsoft Network	MSN Beta
MSN Desktop	MSN Desktop 2.5
MSN Desktop Search Beta	MSN Search (7)
MSN Search Toolbar	MSN Toolbar Suite
MSN-Suche	MTLibrarian 1.5
MTurk	MUCH
MUD	MulDiCat
MULIS	Müllers Großes deutsches Ortsbuch
Multicard/O2	MultiLIS
Multimedia and CD-ROM Directory	Multimedia Weltatlas
Multimedia Yearbook	Multipedia
MultiTerm	Multithreaded query page
Mundaneum (2)	Munzinger (3)
MURIEL	MUSA
MUSART (2)	Muscat (3)
MUSE (3)	MuseArch
MUSEUM	Museumsverwaltung
museumsvokabular.de (3)	Music thesaurus (2)
MUSICALIA	MusicLine
MUSYS	My-Newsgroups
MyBib eDoc	MyCoRe
MyDropBox (www.mydropbox.com)	myETH (2)
MyLibrary	Myriade
MyShelf (2)	MySpace (5)
MySpace Music	MySQL (3)
MyYahoo	MZ-WinTranslator
N    ↑
n-grams (5)	NABD (3)
NACE	NACO (11)
NACO Funnel Project (2)	NAICS (8)
Naive-Bayes-Algorithmus	Napster
Naranan-Theorem	NARCIS classification (2)
NASA	NASA Thesaurus (2)
National Gallery of the Spoken Word (2)	National Geographic
National Geographic Maps	Natix
Nature (3)	NavCon
NCCP (3)	NCI Thesaurus
NCIP	NCR (2)
NDC (4)	NDC-8
NDC-9	NDR (2)
NEAR SITE	NEBIS (7)
NEBSPIRS	NedGuide
Neeva	Neomo
NEPHIS (5)	Nestor (11)
Net Attaché Pro	Net Objects Fusion
Net.db	Netcenter
NetDyn	Netfind (2)
Netfind.AOL (2)	NetFirst (8)
Netflix	Netfriends
NetGuide	NetMind
Netscape (16)	Netscape Communications Navigator
Netscape Comuunicator	Netscape Navigator
Netscape Navigator Gold	Netselektor
Nettz (3)	nettz.de
Netzeitung	Neue Zürcher Zeitung
New Millennium World Atlas (2)	New Riders Official World Wide Web Yellow pages
New York Times (3)	New York Times Index
Newbase	Newbury House Online Dictionary
News Gator	News Monster
News Retrieval Tool	NewsAgent for Libraries
NewsBot	Newscan-Online
Newshosting	NEWSlink
Newsmap	NewsPage
Newspaper & periodical abstracts	NEWS_EXT
Newwave	NeXT (3)
nextBot	Nextlinks (2)
NfD	Nietzsche-Thesaurus
NII (20)	NISC
NISS	Nizza-Klassifikation
NKOS (2)	NlightN (3)
NLM	NLM Classification (4)
NLM classification system	NLMC
NNAF	Nobel-Preis
Nobel-Zahl	NOEMIC
Nomade (2)	Nomenclature
NOPAC	Nordic Metadata (3)
Nordic Web Index (2)	Nordinfo
Northern Light (12)	NorthernLight (16)
NOS.4	Notebook (3)
Notebook II	Notes
NOTIS (22)	NOVAGate
NoveList	NREN (36)
NSA	NSDL program (3)
NSFNET (2)	NSIR
NSW online (2)	NTCIR (2)
NTCIR-2	NTIS
NTRF	NUC (3)
NUDIST	Nulltarif.de
Nuovo Soggettario (16)	Nutch
NXT3	NYSERNet
NZN (2)	NZZ