The law on income taxation with illustrations, problems, and solutions per De Leon, Hector S., De Leon, Hector M., Jr

Comments and cases on credit transactions per De Leon, Hector S.

The corporation code of the Philippines annotated per De Leon, Hector S.

The Philippine negotiable instruments law and allied laws annotated per De Leon, Hector S.

Administrative law text and cases per De Leon, Hector S.

The law on sales, agency, and credit transactions per De Leon, Hector S., De Leon, Hector M.

Table of contents only

The law on partnerships and private corporations per De Leon, Hector S.

Table of contents only

The law on income taxation with illustrations, problems, and solutions per De Leon, Hector S.

The law on transfer and business taxation with illustrations, problems, and solutions per De Leon, Hector S.

The law on negotiable instruments with documents of title per De Leon, Hector S.

Table of contents only