Source code documentation for Caelus 7.04 can be found here

Source code documentation for Caelus 6.10 in 7-zip format can be found here

Source code documentation for Caelus 6.04 in 7-zip format can be found here

Source code documentation for Caelus 5.10 in 7-zip format can be found here

Source code documentation for Caelus 5.04 in 7-zip format can be found here

Source code documentation for Caelus 4.10 in 7-zip format can be found here