Leon, Roth

勵志 = On Encouragement by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

生活 = On Life by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

啟示 = On Enlightenment by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

教育 = On Education by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

修行 = On Cultivation by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

寶典 = On the Treasure House of Knowledge by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

自在 = On Being Carefree by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]

人和 = On Harmony by: Doris, Koegel-Roth; Leon, Roth; 星雲大師; 滿和 (Language materials, printed) , [譯]