Responsa for Yevamot 227:9
קתני מיהא אין חוששין ביונק שקץ התם משום סכנה אי הכי גדול נמי
Come and hear: An [Israelite] child may be regularly<span class="x" onmousemove="('comment',' Lit., 'and goes'. ');"><sup>36</sup></span> breast fed by an idolatress or an unclean beast, and there is no need to have scruples about his sucking from a detestable thing;<span class="x" onmousemove="('comment',' Which is forbidden to adults. Cf. Lev. XI, 10ff. ');"><sup>37</sup></span> but he must not be directly fed with nebeloth,<span class="x" onmousemove="('comment',' Plural of nebelah (v. Glos.). ');"><sup>38</sup></span> terefoth,<span class="x" onmousemove="('comment',' The sing. is terefah q.v. Glos. ');"><sup>39</sup></span> detestable creatures or reptiles. From all these, however, he may suck, even on the Sabbath,<span class="x" onmousemove="('comment',' When sucking is under certain conditions forbidden, as explained infra. ');"><sup>40</sup></span>
Teshuvot Maharam
SOURCES: L. 140.
Teshuvot Maharam
A. Lending charity-funds on condition that the lender share in the profits but not in the losses, is forbidden. The Rabbis who said (B. M. 70a) that a person lending money on such a condition is called "wicked" made no distinction between rich and poor. Since a poor person is not permitted to lend his money on condition that he share in the profits but not in the losses, we are not permitted to do so for him.
Teshuvot Maharam
A. Lending charity-funds on condition that the lender share in the profits but not in the losses, is forbidden. The Rabbis who said (B. M. 70a) that a person lending money on such a condition is called "wicked" made no distinction between rich and poor. Since a poor person is not permitted to lend his money on condition that he share in the profits but not in the losses, we are not permitted to do so for him.
Note: The following introduction precedes the answer: Please excuse me for the brief response. For the last two weeks I have been confined to bed and have lost the taste for food. I wrote to you a lengthy response regarding the lending of charity-funds, and sent it to you through a messenger named Marvel. I forgot the lengthy argument and discussion. I remember, however, to have agreed with your reasons and arguments, and to have added the following ….
SOURCES: L. 425; P. 476. Cf. Agudah B.M. 73.