本作品已被作者中文维基百科项目的David Eppstein释出到公有领域。这适用于全世界。 如果这样做不合法的话： David Eppstein无条件地授予任何人以任何目的使用本作品的权利，除非这些条件是法律规定所必需的。

本作品已被作者中文维基百科项目的Braindrain0000释出到公有领域。这适用于全世界。 如果这样做不合法的话： Braindrain0000无条件地授予任何人以任何目的使用本作品的权利，除非这些条件是法律规定所必需的。

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SVG version:

• 2007-01-20 12:01 Braindrain0000 682×549×0 (18562 bytes)
• 2007-01-20 07:15 Braindrain0000 592×572×0 (28369 bytes)
• 2007-01-20 07:11 Braindrain0000 1172×1122×0 (36986 bytes)
• 2007-01-20 07:09 Braindrain0000 1172×1132×0 (36496 bytes) Reverted to earlier revision
• 2007-01-20 04:47 David Eppstein 256×256×0 (7848 bytes) Nine minimal graphs that are not [[line graphs]], as identified by Beineke (1968, 1970). A graph is a line graph if and only if it does not contain one of these nine graphs as an [[induced subgraph]].
• 2007-01-20 04:19 Braindrain0000 1172×1132×0 (36496 bytes) Created using Inkscape based on [[:Image:Forbidden-line-subgraphs.png]]

PNG version:

• 2006-11-03 05:49 David Eppstein 702×567×8 (15169 bytes) Nine minimal graphs that are not [[line graph]]s, as identified by Beineke (1968, 1970). A graph is a line graph if and only if it does not contain one of these nine graphs as an [[induced subgraph]].