not found at HD. 5.1230.; DK. 6.1161a(no indications of the source);
105c18.智積菩薩問溥首曰：“所詣海淵化度幾何？”(p)
K. 261.7.samudra-madhya- (v.l. samudra-); L. 35a28.龍宮;