Published in Edinburgh Philosophical Journal, in 1826, in volume 1, pages 78-81

Created: 2010-11-23, modified: 2011-06-21

Published in Edinburgh New Philosophical Journal, in 1826, in volume 1, pages 166-170

Created: 2011-06-04, modified: 2011-06-21

Published in Edinburgh New Philos. J., in 1826, in volume 1, pages 248-254

Created: 2010-03-21, modified: 2011-06-21

Published in Edinburgh New Philosophical Journal, in 1826, in volume 2, pages 121-141

Created: 2011-06-04, modified: 2011-06-21

Published in Edinburgh New Philosophical Journal, in 1826, in volume 2, pages 203-204

Created: 2011-06-03, modified: 2011-06-21