Earth's Waning Magnet, Science
How does the shape of a magnet affect the strength of its magnetic field? - Quora
20.1 Magnetic Fields, Field Lines, and Force
What are magnetic fields and how do they shape the Universe? - BBC Sky at Night Magazine
Magnetic Dipole Moment
Magnetic Vehicle Signs Market Your Business with Vehicle Magnets
How does the shape of a magnet affect the strength of its magnetic field? - Quora
Magnetism for kids - A simple introduction
Are Magnets Affected by Temperature?