This last book is considered a fundamental contribution to science.

His work is still considered a foundational contribution to the fields of art history and political theory.

A donation of services is also considered an in-kind contribution.

It has been considered an important contribution to the Lost Cause literature.

This work is also considered a major conceptual contribution in the field of cost accounting.

It is considered a major contribution to the theology of pain and suffering.

This work is considered a major contribution to research methods in social justice research.

It is considered an important contribution to the literature of the Lost Cause.

We are now considering a further contribution to the installation of peace in this country.

The study is considered a highly important contribution to treatment of breast cancer.