Internationally, Nanay Soling was nominated and accepted for inclusion in the Fifth Edition (1980) of the World Who's Who of Women published by the international Biographical Center in Cambridge, England.
In a loving tribute to her, a local columnist wrote: "Nanay Soling was the prime mover behind "Bagong Buhay -- a 36-hectare refuge of love, hope, comfort, and opportunities.
A published profile of Nanay Soling states she was a friend and advocate of the indigenous people of Mindanao.
It said that Nanay Soling was "involved in several uplift programs for Aetas and Bagobos and thinks nothing less of climbing mountain trails to reach them.
Solings cut from natural crepe rubber were introduced in the 1920s, followed by soles molded from vulcanized natural rubber compounds.
Thermoplastic solings - polyvinyl chloride (PVC) from the late 1950s and thermoplastic styrene-butadiene-styrene (SBS) rubber, from the late 1960s, allowed sole unit production by simpler molding processes than with rubber (figure 1).
Figure 2 shows the estimated breakdown of solings worldwide; this has shown little change in recent years, but there are differences from region to region for economic and climatic reasons.